Nexus EPC — Africa's Partner in Progress
Infrastructure

Trans-Guinean Railway

Heavy-haul railway built to move Simandou iron ore from southeastern Guinea to a new deepwater port.

railGuinea
Sign in to track
Projects
1
Companies
1
Commodities
1
Countries
1

Key data

Type
rail
Countries
Guinea
Capacity
Approx. 600 km heavy-haul line
Status
Under development with Simandou
Commodities
Iron Ore
Bauxite train on the CBG Sangarédi–Kamsar line, Guinea
Bauxite train on the CBG Sangarédi–Kamsar line, Guinea · Aboubacarkhoraa / Wikimedia Commons, CC BY-SA 4.0

Related projects

ConstructionGuinea

Simandou Iron Ore

High-grade iron ore development integrating a mine with roughly 600 km of new railway and a deepwater port, transforming Guinea's logistics base.

Capacity
High-grade iron ore; see operator disclosures
Status
Mine, trans-Guinean railway and port under development

Related companies

mining

Rio Tinto

London, United Kingdom

Developing blocks 3 and 4 of the Simandou iron ore project in Guinea with partners, including associated rail and port infrastructure.

GuineaSouth AfricamadagascarLSE: RIO

Business opportunities

InvestmentGuinea

Guinea alumina refining investment

Guinea has repeatedly signalled a policy preference for domestic alumina refining rather than raw bauxite export, creating a long-run industrial investment thesis contingent on power.

Issuing entity
Government of Guinea

Related commodities

Iron Ore

Simandou introduces a new high-grade supply source into the seaborne market, with rail and port capacity as the critical path.

GuineaSouth Africa

Related countries

Country

Guinea

Guinea is the world's leading bauxite exporter and host of Simandou, one of the largest untapped high-grade iron ore deposits, developed together with a trans-Guinean railway and a new port.

Related industries

Industry

Mining & Minerals

Exploration, extraction and concentration of metallic and industrial minerals.

Related news

22 Aug 2026

Simandou corridor: rail and port works define the critical path

Guinea's iron ore ambition is bounded less by orebody quality than by the trans-Guinean railway and port commissioning sequence.

Rio Tinto
8 Sept 2026

SimFer begins staged commissioning of Morebaya port for Simandou

Stacker-reclaimers and shiploaders are being commissioned. The port was 85% complete at end-H1 2026, with full commissioning expected in Q1 2027; ore ships via the WCS port meanwhile.

SimFer
10 Aug 2026

Guinea presses for domestic alumina refining

Policy signalling continues to favour in-country value addition over raw bauxite export, with power supply the decisive constraint.

U.S. Geological Survey

Related intelligence

explainer5 min read

Why bauxite value addition keeps stalling

Alumina refining is capital-heavy and energy-intensive; the economics turn on long-term power price, not on ore availability.

17 Aug 2026
Sources
  • Rio Tinto

    Simandou iron ore project

    Last verified 26 Aug 2026Verified

Every factual record carries its source organisation, link and verification status. Where a value cannot be verified from a primary public source, Nexus records it as not available.