R-685 · Route File
French Guiana RN1
Cayenne to Saint-Laurent-du-Maroni · French Guiana
The western national road from Cayenne through Kourou, Sinnamary and Iracoubo to Saint-Laurent and the Suriname ferry connection.
- Primary window
- Year-round · verify tropical weather and ferry conditions
- References
- 8
- Coverage
- established
- Reviewed
- Aug 2026
Route tyre evidence
Tyres reported on French Guiana RN1
No reviewed tyre observation is published for this route.
No tyre name is inferred from route popularity, forum mentions or marketing. A report appears only after its tyre, motorcycle, route context, date and named source are reviewed.
Route-specific references
Sources for French Guiana RN1
Information tied directly to this road, track or route.
Maps and navigation
French Guiana tourism map
official · Comité du Tourisme de la Guyane
Official visitor map showing national roads, reserves and road destinations
French Guiana RN1 map
commercial · Google Maps
Route-specific alignment, approach-road and nearby-service lookup; confirm the selected road
French Guiana RN1 open map
community · OpenStreetMap
Independent route, settlement and approach-road lookup
Regional reference desk
Authorities covering the wider journey
Shared road, weather and access services used across Route Files in this region.
Weather
Roads and access
Emergency and medical
Land access and closures
Specialist and community
Field Links are reviewed references, not live guarantees. Conditions, closures, services and regulations change. Confirm critical information with the responsible authority before relying on it.