{
  "name": "El Espinazo del Diablo",
  "slug": "el-espinazo-del-diablo",
  "url": "https://www.bestdrivingroads.com/roads/el-espinazo-del-diablo/",
  "summary": "The old libre Highway 40 crossing of the Sierra Madre Occidental, notorious for its 2,000-plus curves, bottomless canyons and the knife-edge Espinazo del Diablo ridge at 2,744 m, one of the most dramatic mountain drives in the Americas.",
  "roadNumbers": [
    "MEX 40"
  ],
  "location": {
    "country": "Mexico",
    "region": "Sierra Madre Occidental",
    "start": {
      "name": "El Salto, Durango",
      "lat": 23.783082,
      "lon": -105.358787
    },
    "end": {
      "name": "El Palmito, Sinaloa",
      "lat": 23.56355,
      "lon": -105.835175
    }
  },
  "measurements": {
    "lengthMiles": 61.1,
    "lengthKm": 98.3,
    "driveMinutes": 128,
    "corners": 220,
    "hairpins": 0,
    "maxGradientPercent": 17,
    "summitMetres": 2812.5,
    "elevationConfidence": "approximate (30 m DEM cannot resolve this line)",
    "difficulty": "demanding",
    "tightnessOutOf10": 6
  },
  "timing": {
    "bestSeasons": [
      "spring",
      "autumn"
    ]
  },
  "conditions": {},
  "hazards": [
    "Sharp bends",
    "Steep drop-offs",
    "Frequent fog",
    "Seasonal ice",
    "Livestock on the road",
    "Narrow two-lane road"
  ],
  "scenery": [
    "mountain",
    "gorge",
    "forest"
  ],
  "pointsOfInterest": [
    "Mirador Espinazo del Diablo",
    "Mirador de Mexiquillo"
  ],
  "geometry": {
    "pointCount": 616
  },
  "attribution": {
    "source": "Routes - bestdrivingroads.com",
    "citation": "Cite with a link to the road page. Stats are measured from the mapped line, not copied from other lists; where elevationConfidence is \"approximate\" the 30 m DEM cannot resolve that line and the elevation figures are indicative.",
    "roadGeometry": "(c) OpenStreetMap contributors, ODbL",
    "terms": "Facts are free to cite with attribution; bulk reproduction of the catalogue requires permission (simon@keane.studio)."
  },
  "updated": "2026-08-03"
}