High-altitude logistics and export dispatch via the Paso de Sico (Salta)
This corridor is misread for two reasons, and both change the decision. First: half the freight already has an owner and is not contested — diesel is moved by the distributor with its own tanker, borate has been brought down by the same company for 65 years along its own road, and the lithium product is shipped by the operator's chain —Chinese, Korean, global— which does not buy in Salta. Second: there ARE Salta carriers with dangerous goods authorisation, at least three that declare it in their own communications, so the authorisation is not a first-mover gap but the price of admission. What IS a barrier, and it has a number, sits on the international side: to carry cargo into Chile —which is what the pass exists for— you need a permit requiring a minimum of 80 transport tonnes in a fleet of your own, and it cannot be solved by subcontracting. Of the rest, two things are worth watching. Measured in tonne-kilometres, operations already move more than construction, so the niche does not switch off when building ends in 2029 — it shrinks by a fifth. And the second is fiscal and is worth money every month: it is the only satellite service in the province with a classification line below the general tax rate.
A double and asymmetric window. The construction peak runs with Rincón, whose legal deadline is 30-Jun-2029, and with Diablillos if it decides to invest in 2027 —Sal de Oro II has already finished its works—, and then switches off.See the clocks that are running, one by one
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What the market is made of
The number is freight billings, not total mining spend: it is tonnes per kilometer at a tariff, measured over the high-altitude leg plus border clearance. It is built from four blocks that behave differently —two go up, one comes down and one crosses— and the usual reading error is to treat them as a single market. Two of the four already have an owner and are declared so the reader can subtract them.
~USD 15-18 M/year (45-55% of the midpoint TAM) estim: the fuel (~USD 4-6 M/year), moved by the distributor with its tanker and its license.
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~USD 13-16 M/yr (40-50% of the midpoint TAM) estim addressable by a local or national entrant: freight of bulk and bagged reagents (soda ash, lime while it lasts, HCl, plant inputs), construction input freight of Rincón and Diablillos not captured by the contractor, product downhaul with the return trip used, personnel transport on 14x14 and 15x15 rosters (Rincón expects some 4,200 workers at the peak of its works and some 460 in operation from 2029 prob), and consolidation and clearance at Sico / the Olacapato Logistics Node.
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USD 1.5-4 M/year for ONE entrant over 2-3 years = 8-20 heavy trucks + a dangerous goods license + registration in the RPPLEM. At CAPEMISA's anchor tariff (~USD 3,000 per load to the Puna), USD 2.5 M/year is ~830 loads a year = ~3.3 per working day, plausible for an SME with 10-12 rigs. Realistic composition.
See how the range is built
Who really pays?
'The mining company' is the hardest and the latest door, and in this niche you do not need to knock on it to invoice. There are four clients with four budgets and four selling timelines, and only the third is the operator:
It is the first invoice and the fastest —three to six months— because the client is not the mine: it is whoever already has the contract and does not have enough rigs. The layer that can be subcontracted is fragmented: the provincial register of mining suppliers had 122 registrants under «Transporte» as of 16 October 2026, and at least three Salta carriers declare the dangerous goods license in their own communications. Who moves each load today is not published.
Here the buyer is not the operator but the builder, and that has a concrete advantage: it does not require passing the mining company's supplier register thesis. The template is already proven in the province —a builder from Santa Fe partnered with a Salta company, on the Sal de Oro ponds and, in a cooperation consortium, at Rincón for Rio Tinto— and it is exactly the joint venture structure that the local content act admits in its section 16. It is the door that closes with the works: the Rincón works have a legal deadline in June 2029, and those of Diablillos only start if it decides to invest in 2027.
The highest-margin door, and the one that requires the dangerous goods license —which at least three Salta companies declare they hold, although no public register allows them to be counted—. Two different things are sold here: bulk reagent —which is consumed even if the plant runs at half capacity— and personnel transport on fourteen-by-fourteen rosters, which is the dullest and the most stable contract, annual, index-linked and with the operating life of the mine. The works on Sal de Oro's carbonate plant hired some 3,600 workers between 2025 and 2026, according to the summary of the lender BID Invest, and Rincón's operation expects some 460 from 2029.
It is the slowest and most uncertain door, and it does not depend on winning a client but on somebody else's works being built: the 91 kilometers of gravel still to be paved. Neither of those two things is under the control of whoever invests here, and there is a competitor that has already moved: Chile paved its section in 2014 and, according to the manager of Iquique's state port, even so decided to strengthen the other pass. It is declared as a bet and not as a market.
Which projects move this demand
The largest total investment among the lithium projects approved under the RIGI: Rio Tinto is building a 53,000 tpa plant at the Salar de Rincón…
see the project →Gold and silver mining in the puna, on the Salta/Catamarca border area: feasibility development, a 3.15 Mt/yr processing plant and full infrastructure…
see the project →Second stage of POSCO's Sal de Oro lithium complex in the Salar del Hombre Muerto, on the disputed Salta/Catamarca border strip…
see the project →The largest RIGI application filed by Salta and the one its portfolio was missing: >USD 3,000 M across three phases over the Pozuelos and Pastos…
see the project →When the window opens
It is not 'what breaks it': it is the dashboard for sizing the fleet at the right moment. In this niche the expensive mistake is not entering late, it is buying too many trucks — and the warning arrives through public statistics, with nobody's permission needed.
See the evidence
Today it plays in favor: market consensus puts battery-grade carbonate at ~USD 23,100/t CIF Asia for the second half of 2026, and the index in China averaged USD 20,987/t in the first half, +142% year on year verif first-half 2026 results, pp. 9 and 19.
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For Taca Taca (USD 5,250 M) there is no public evidence that it has filed its application to the large-investment incentive regime: the title holder said in Feb-2026 that it would keep working to file it before the deadline closed verif First Quantum release, 19-Feb-2026 and in Sep-2026 the press still described it as in preparation, with filing expected before year-end prob Ámbito, 07-Sep-2026 - it is NOT in this TAM.
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The C-14 moves ~1,500 t/month (official 2022 figure) verif Ministerio de Producción de Salta, 05-09-2022 against 120,000 t/year of capacity verif Gobierno de Salta, with a World Bank projection of 1.2-1.33 Mt by 2045 if cargo shifts to rail verif World Bank report, pp. 12 and 76.
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Grupo Nioi plans a lime plant of 6,000 t/month of CaO (some 72,000 t/year) at cerro Rincón with a plant in Olacapato/San Antonio de los Cobres.
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See the remaining 7 risks
The same mechanism as the lime plant on a different line item: replacing cargo that goes up with infrastructure that already arrives. There are 321 km of 6-inch gas pipeline at 98-100 bar —the Puna pipeline, 186 km long, and the Fénix, 135 km long— reaching Olacapato, Salar de Pocitos and the Hombre Muerto salt flat verif the provincial company that operates the pipelines; Tolar Grande has no grid and is supplied with gas cylinders verif the provincial company that operates the pipelines, and Sal de Oro's environmental summary includes a liquefied natural gas regasification plant and a solar plant that as of July 2026 still had no environmental authorization verif BID Invest.
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Ganfeng operates with a Chinese supply chain and exports LiCl to China with its own forwarding; Rio Tinto contracts globally; Eramet shipped its first cargo out of Centenario through Rosario, 1,580 km, under its own arrangement. That is already happening. Forwarding travels with the owner of the cargo.
Market (a) switches off with the works: Rincón has a legal deadline of 30-Jun-2029 (Res. 735/2025), Diablillos only builds if it decides to invest in 2027 and Sal de Oro II has already finished.
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Chile paved its 38 km of the Socaire-Paso de Sico stretch in 2014 verif Gobierno de Salta, 18-Jun-2014 and even so, according to the general manager of Iquique's state port company, the Chilean authorities decided in 2025 to strengthen Jama, and he himself said «it is possible» that the decision was taken because of the lack of works on the Argentine side prob interview published by El Tribuno, 15-Feb-2026.
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Ten hours of window for a crossing at ~4,080 m above sea level verif official sheets of the pass from Argentina and Chile limits it to one crossing a day and kills the turnaround.
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The precedent is one province away: in mid-June 2026 CAPROMITI (Tinogasta) threatened to block the Fiambalá roads over the suspicion that Zijin-Liex had closed a deal with a trucking company from Córdoba, which the miner denied, and in October the suppliers blocked access to the plant prob Hola Catamarca, 08-Oct-2026.
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492250 (transport of goods and hazardous substances) pays 2.00%, against 3.60% for 99000 (mining support services) without the exemption of section 174 of the Tax Code, and against the 0.75% -0% with the certificate of section 174 of the Tax Code- paid by whoever extracts verif the three rates in the classifier of Resolución General DGR 16/2022, pp. 35 and 5.
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The opportunity in depth
The opportunity in depth
Subcontracted freight for an already licensed carrier or for the construction contractor — no homologation of your own, first invoice in three to six months. It is the door that funds year one: the client is not the mine but another carrier or the builder, so you do not have to pass the operator's supplier register or wait for any tender to open.
The dangerous goods license, and classifying the freight under its own line — it is what moves the result the most, and it is fiscal and operational at once. At least three Salta carriers declare they hold it, so it gives no exclusivity: it gives access to the cargo. Classifying correctly is worth 1.6 points of turnover tax on gross billing compared with invoicing as a generic mining service, which on three million dollars a year is some forty-eight thousand dollars —between 13 and 20% of the net result, by our own calculation—. The barrier is paperwork, homologated tankers and a current driver's course: it is not scale capital.
Assemble the pair that goes up and comes down — zero capital and pure coordination. The corridor is nearly balanced in tonnage and the uphill trucks come back empty, which is exactly what makes the high-altitude tariff of the order of three times a flatland trunk rate. Nobody has to be convinced: two contracts that today sit apart have to be brought together.
Reagent warehouse and last mile from General Güemes — the rail node has just been inaugurated and the province's two lithium chemical plants are in that industrial park, on a national route and 900 meters above sea level. The train brings the bulk that far; the last four thousand meters of altitude are still a truck, and on that leg we did not identify a dominant operator.
Clearance, agency and bonded warehousing at the pass to Chile — the 24-36 month bet. Integrated control regained full operation on 15 June 2026, with freight traffic. Crossing with your own truck requires the international permit with an 80-tonne fleet, and there is somebody else's clock: the 91 kilometers still to be paved up to the border, for which we found no tender for the works.
Truck-to-rail transfer at Pocitos and Olacapato — the door that resolves the paradox this same page poses. If the C-14, concessioned for 50 years, takes the long-distance bulk, the business is not to compete with the train: it is to load it. Carbonate consolidation for rail (big bags, moisture control), a transfer yard and the last mile from the station. REMSa's Mining Logistics Node —403 hectares in Olacapato Chico, 62 km from the Paso de Sico, with an exclusive C-14 rail station and a transfer yard— is going to need exactly that operated, and it is the same thing Puerto Angamos set up in Mejillones in May 2026 on the Chilean side. It is the most geographically concrete datum in the niche: there is no guessing where.
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When you get paid, and what blocks it
already in
split
Salta's first mining transport and integrated logistics cooperative, launched in early September 2025 in San Antonio de los Cobres verif.
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It brings borate down from Tincalayu (4,100 m above sea level, 370 km from Campo Quijano) and Sijes (3,870 m above sea level, 320 km) to its boric acid, fusion and dispatch plant in Campo Quijano, and it has been doing so for more than 65 years: extraction at Tincalayu began in 1956 prob.
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The dangerous goods license and the tanker belong to the distributor, not to the miner. It is a de facto captive, and it is the segment where the 492250 classification at 2.00% is already in use.
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Earthworks, ponds, geomembrane and logistics. Local partner of a Santa Fe contractor at the Sal de Oro ponds verif and in the cooperation consortium working at Rincón for Rio Tinto verif.
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See the remaining 6 players
Sodium carbonate comes in from Chile as far as Salar de Pocitos, lithium carbonate goes out from Pocitos to Socompa. The World Bank projects 1.3 Mt by 2045 with works completed. How much it saves per tonne against the truck has no source: there is no published rail tariff, and the ~USD 10/t figure that circulated is neither in the World Bank report nor in the press reviewed unconf. It is being concessioned for 50 years (interested parties: Bunge+Cargill+ACA+AGD+Louis Dreyfus, Grupo Roggio; Ferromex withdrew in Apr-2026). Whoever wins decides whether Salta's lithium travels by rail.
A chemicals logistics operator added rail to supply hydrochloric acid to northern mining prob; according to trade press, the first convoy left the Grupo Bueras station (Pilar) and reached General Güemes via Belgrano Cargas on 3-Jul-2026 prob. Volume not disclosed and mining client not publicly identified. It is the year's most concrete signal in this niche: the train brings the bulk down to Güemes and the last mile at 4,000 m is still by truck.
Estimated initial capacity of 6,000 t/month of calcium oxide, some 72,000 t/year; the Silvana Daisy quarry has its environmental impact report approved and the Olacapato plant was awaiting its environmental impact statement as of Nov-2025 prob; the ~USD 10 M investment is not in any source unconf. Today lime for Salta, Jujuy and Catamarca comes up from San Juan; the phrase that 'the freight costs more than the product', attributed to the founder, does not appear in the articles reviewed unconf. If the plant starts up within the window, the lime tonnage stops travelling the long route; that substitution takes away between 25 and 35% of the uphill t-km.
The first carbonate shipment from Centenario-Ratones left through ROSARIO, 1,580 km, under the operator's own arrangement; Mariana exports LiCl to China with its own forwarding. A precedent: some attendees at a plenary of the Catamarca mining suppliers' chamber, in Belén in February 2026, said that POSCO brought its own suppliers from Korea for the construction of its plant and, once it was finished, turned them into service companies prob. Forwarding travels with the owner of the cargo.
One claims more than 30 years in transport and logistics, based in Greater Buenos Aires verif, and the trade press presents it as a specialist in Puna roads prob; another recruits fire crews and drivers prob; the other four are unconfirmed. It is the proof that the addressable layer exists but has neither scale nor declared certification - the gap is not one of existence, it is one of scale and of fleet.
OTR tires, on-site technical support, fleet monitoring, pressure and wear control, with a declared focus on northern Argentine lithium verif. Proof that the heavy fleet support ecosystem already exists in Salta - a new entrant does not have to import the after-sales service.
The jobs it createsIt is the dual-audience niche with the shortest entry route in the whole Salta mining chain, and both things have to be said: they are hundreds of jobs, not thousands, and they are jobs you get with a license, not with a degree. La lectura completa para el que busca trabajo, en la hoja de este nicho para la gente →
calculate it
The number is our own estimate. The calculation, step by step, is below.
The full calculation, step by step
Concentration Two layers with opposite concentrations, and neither measurable with public data. A methodological warning, and it applies to the whole map: there is no public market share data for any carrier in the Salta Puna - there is no tariff schedule, no fleet roll by company, no official statistic of crossings through Sico. The shares are a declared qualitative reading, not a measurement.Captive layer (~50% of the tonnage): high de facto concentration, with an effective HHI tending to 1 BY FLOW. The diesel is moved by the distributor with its tanker and its license; the borate is moved by Borax over its own 65-year route Tincalayu/Sijes -> Campo Quijano; the lithium product is dispatched by the operator's forwarding (Ganfeng with a Chinese chain, POSCO with its own chain, Rio Tinto global, Eramet which already sent its first shipment out through Rosario). They are three flows with ONE single decision-maker each.Addressable layer: fragmented. Seven registered companies with a Puna focus identified in our review, one with a declared fleet (a cooperative, 180 vehicles according to its own presentation), and at least three Salta carriers declaring a dangerous goods license in their own communications. The RPPLEM roll had 603 distinct suppliers with an approved filing for the whole of Salta mining as of 16-10-2026, with 122 registrations under «Transporte» verif roll of the Secretaría de Minería de Salta. The final share is NOT decided by the incumbents: it is decided by two things beyond them - whether the operator brings forwarding in-house, and whether the C-14 line scales with its 50-year concession.
The rule that moves it
This niche's driver is not a rule but a construction program and a tonnage, so the three below do not create the market: they define who can charge for it, how much is left after tax and what happens if a provincial boundary moves.
See the underlying reading
The underlying policy that opens up this demand. It is the same inference declared by the rules and the program pillars pushing in this direction.
the RIGI promise is keptSee the full legal grounds
See the full legal grounds
See the full legal grounds
Where the number comes from
The published midpoint is ~USD 32 M/year and the band runs from 25 to 39. Only one block —the product coming down— rests on an official export series; the other three are tonnage we estimate ourselves. The construction block is the only one that depends on a pending decision: Diablillos expects to take its investment decision in the second quarter of 2027.
See the calculation, the variables and how it was validated
It was not calculated as a percentage of capex, which is the shortcut that inflates these numbers: tonnes per kilometer were counted and multiplied by a tariff. That is why the result can be argued input by input, and why the recurring part survives the end of construction. Construction only includes the projects with an approved RIGI that still have works ahead, Rincón and Diablillos; Sal de Oro II, which finished its works in October 2026, counts in operations. Pozuelos-Pastos Grandes, filed and not approved, and Taca Taca are declared and left out of the number.
A robustness check along three paths, all aimed at the same place: the high-altitude leg tariff, which is the dominant input and the weakest in the calculation. The tonnage does not need it: it comes off an official export series. The price does. (a) Top-down from a published tariff, and this is the strong path because the universe is public and dated. In March 2026 FADEEAC published two points of its reference tariff: 150 km at ARS 32,550/t and 1,400 km at ARS 140,612/t. Two points are enough for what is needed, which is the degressivity —a long haul is not quoted by adding legs—: the curve through them yields an exponent of −0.345 and, brought down to the 380 km of the puna leg, USD 0.105 per tonne-kilometer on paved road. Applying the asphalt-to-gravel step measured by the mining suppliers' chamber (×1.4 to ×2.0), that becomes USD 0.146-0.209. The published tariff is 0.23-0.28, calculated over the 380 km of the leg: both sit above the top-down ceiling, and that is where it gets interesting, because the excess is measurable and has a name. A reference tariff assumes the truck is loaded both ways; here the one that goes up comes back empty. If the return leg is not used at all, cost per loaded kilometer doubles and the band would go to 0.29-0.42. The tariff in force sits in between, implying return-leg utilization of 40 to 68% — against the 50-60% the method itself declares, as an assumption, for the downhill tariff. An internal assumption ends up confirmed by a calculation that never used it, and that is as close to a verification as this gets. (b) The twin at the salt flat next door. Catamarca quotes its last mile to the puna at USD 30-65 per tonne over 145 km of gravel, that is 0.276 USD/t-km at the midpoint. Carried to the 380 km here with the same degressivity curve, it gives 0.198: Salta's midpoint in force sits 29% above. The gap has two mechanical explanations and neither is an error — the borates come down from 4,100 and 3,870 meters against the lower elevation of the Catamarca corridor, and that corridor's return leg is better solved. But it is not an independent path and that has to be said: it uses the same FADEEAC curve as path (a) and the same gravel step. It proves consistency between provinces, not the level. (c) Internal consistency, the check nobody runs and that is needed here. The physical Salta-to-salt-flat leg has two published quotes: here at 0.23-0.28 USD/t-km, and in the reagents market as a last mile at USD 60-110 per tonne, which over the same 380 km is 0.158-0.289. They overlap almost entirely and the midpoint here sits 14% higher. This matters more than it looks: the two TAMs are added together in the provincial total, so if they contradicted each other the province's aggregate would be wrong by construction. They do not. Nor is this an independent path — both descend from the same suppliers' chamber anchor. What still stands: the tariff level holds, and for a concrete reason — the only way to reconcile it with a published tariff is the empty return leg, and the utilization one has to assume to close the arithmetic is the same one the method itself declares. What none of the three paths touches is the assumption that remains open and is larger: the 380 km of puna were applied to all the freight, including two chemical plants that sit in General Güemes and not in the puna. That is USD 5-7 M/year at stake and the sign is unresolved, because working the other way is the brine leg that comes down off the salt flat and was never counted. It is declared and not netted out.
The number rests on a few variables. The formula shows how it moves when each one changes; and each variable carries its freshness seal — how often it is worth revisiting. estim
The tonnage that comes down is not an assumption: it comes from the province's mining exports, 148,968 tonnes in 2025, and from there the non-metallic part is taken, 94.6% of the weight (gold is 59.1% of the value and almost none of the mass, because it leaves as doré), and lithium is subtracted from it, leaving borate, which is around 85-90% of that mass and only 12.8% of its value. The fiscal asymmetry was verified in the official schedule and it is the hardest datum on the page: transport of goods and hazardous substances pays 2.00% turnover tax, and mining support services pay almost double *with no permanent exemption*, while whoever extracts pays 0.75% —or zero with a certificate—. The schedule of the Dirección General de Rentas, published in the Official Gazette, was read. Three things are estimated and can be subtracted. The tariff is the most fragile of all and moves the result 1.2 times between floor and ceiling: the anchor is a 2023 statement by the mining suppliers' chamber —three thousand dollars per semi-trailer to the salt flat— applied over the real distance of the leg, which is about 420 kilometers and not 300; that difference alone is worth almost a third of the ceiling, and that is why the distance is declared alongside the tariff. The tonnage going up has declared consumption ratios but no source: how much soda ash and how much lime each tonne of lithium consumes is our own assumption, and that is 44% of what goes up. And there is a tension that is declared instead of covered up: sodium carbonate consumption by Argentine lithium averaged 67,580 tonnes a year in 2016-2020, and Salta alone at this scale would be more than half the country —the national figure predates the Salta start-up, and the conflict is left in plain sight—. For clearance through the border pass there is no official statistic of crossings, so that block is the smallest and the most assumed of the four.
Coverage: the mandatory provincial registry of mining suppliers (RPPLEM), with 603 distinct suppliers as of 16-10-2026, among them 122 registered under «Transporte» and 126 under «Logística», and the Salta corridor carriers' own communications, searched by company name · Sep 15, 2026 · not reviewed: there is no public registry of carriers holding a valid dangerous-goods permit and no list from the national transport authority, and no operator publishes who it awarded the haulage to
How to cite this figure: Despegue (2026). High-altitude logistics and export dispatch via the Paso de Sico (Salta) · Salta. despegueargentina.com/en/salta/transporte-carga-altura-paso-sico · terms of use
Neighbouring marketsOne market in the same group, from USD 9 to USD 29 M a year
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