R-505 · Route File
Espinazo del Diablo
Durango–Mazatlán, Sierra Madre Occidental · Mexico
The classic mountain section of Federal Highway 40 across the Sierra Madre Occidental between Durango and Mazatlán.
- Primary window
- Use current mountain weather and Federal Highway 40 road information
- References
- 8
- Coverage
- partial
- Reviewed
- Aug 2026
Route tire evidence
Tires reported on Espinazo del Diablo
No reviewed tire observation is published for this route.
No tire name is inferred from route popularity, forum mentions or marketing. A report appears only after its tire, motorcycle, route context, date and named source are reviewed.
Route-specific references
Sources for Espinazo del Diablo
Information tied directly to this road, track or route.
Roads and access
Maps and navigation
Regional reference desk
Authorities covering the wider journey
Shared road, weather and access services used across Route Files in this region.
Weather
Maps and navigation
Mexico National Road Network
official · Mexican Institute of Transportation
Official national road-network mapping and route-reference information
Mexico official road-route planner
official · Secretariat of Infrastructure, Communications and Transportation
Official route, distance, toll and road-cost planner
Emergency and medical
Fuel and services
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.