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Mexico Mex-40 Libre Difficulty: 9.5/10

Espinazo del Diablo (Devil's Backbone Mex-40)

Mexico's most legendary mountain motorcycle road. Packed with over 600 continuous curves, this two-lane road rides the literal knife-edge ridge of the Sierra Madre Occidental with vertical drops of thousands of feet on both sides simultaneously. Plunges nearly 8,500 vertical feet from cold alpine pine forests in Durango to the tropical Pacific coast of Mazatlán.

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Distance
Distance
92 mi
148 km total run
Turns
Turns
600
6.5 turns per mile
Summit
Summit
8,950 ft
Sierra Madre Occidental Spine
Surface
Surface
Paved (Extreme Mountain Hairpins)
Difficulty: 9.5/10
3D Vector Trajectory
CARTO Dark Matter GL
Start: El Salto High Sierra Pine Forest, Durango, Mexico End: Concordia Foothills / Mazatlán, Sinaloa, Mexico
Elevation Profile 400 – 8,950 ft
SUMMIT 8,950 FT
Sierra Madre Occidental Spine
Apex Density Index 6.5 curves / mi
Scenic Sweeper Technical Switchback
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Repair

Certified Motorcycle Repair

Nearby Staging
Moto City Durango ~50 mi
Durango, Durango • +52-618-818-4422
Dealership & Diagnostics | Emergency Tire & Repair
Brands: Yamaha, KTM, Honda, Kawasaki
Mazatlán Moto Service ~77 mi
Mazatlán, Sinaloa • +52-669-985-3311
Emergency Tire & Repair | Adventure Touring Support
Brands: BMW, Yamaha, Honda, Suzuki, Harley-Davidson
Lodge

Rider-Friendly Lodging

Covered Parking
Bourbon Street Grille & Historic Gold Rush Square ~1484 mi
Dahlonega, GA

Historic 1830s gold rush capital framed by red-brick sidewalks and antebellum architecture. Serves as the southern gateway launching pad for GA-60 and Blood Mountain. Riders gather on the shaded balcony of Bourbon Street Grille to swap tales while watching a steady parade of touring rigs circle the historic square.

Cue

Tank-Bag Quick Reference Sheet

Start Point El Salto High Sierra Pine Forest, Durango, Mexico 23.7789, -105.3622
Summit / High Point Sierra Madre Occidental Spine 8,950 FT Summit
End Destination Concordia Foothills / Mazatlán, Sinaloa, Mexico 23.2889, -106.0689
T-CLOCS Pre-Ride: Tires & Wheels Controls & Cables Lights & Electric Oil & Fluids Chassis & Stand
DUNLOP
Official Tire Partner: Grip for Mountain Passes
Dunlop Roadsmart IV and Trailmax Mission provide maximum wet/dry confidence on mountain switchbacks.
Explore Dunlop Tires ↗

Frequently Asked Questions

How many curves and miles is Espinazo del Diablo (Devil's Backbone Mex-40)?

Espinazo del Diablo (Devil's Backbone Mex-40) spans 92 miles and packs approximately 600 curves (6.5 curves per mile) with an elevation delta of 400 ft - 8,950 ft (Sierra Madre Occidental Spine) and technical rating 9.5/10.

Where are the start and end coordinates?

The route starts at El Salto High Sierra Pine Forest, Durango, Mexico (Latitude 23.7789, Longitude -105.3622) and finishes at Concordia Foothills / Mazatlán, Sinaloa, Mexico (Latitude 23.2889, Longitude -106.0689).

How can I download the GPX file for GPS navigation?

Click the "Download Free GPX" button on this guide. The standard XML file is 100% free and ready to load into Garmin zūmo, BMW Motorrad Connected, Rever, Scenic, or Google Maps.

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