{
  "name": "Col de la Forclaz",
  "slug": "col-de-la-forclaz-valais",
  "url": "https://www.bestdrivingroads.com/roads/col-de-la-forclaz-valais/",
  "summary": "The Martigny to Trient pass on the Mont Blanc axis toward Chamonix, a Tour de France climb.",
  "roadNumbers": [
    "203"
  ],
  "location": {
    "country": "Switzerland",
    "region": "Valais",
    "start": {
      "name": "Martigny",
      "lat": 46.103557,
      "lon": 7.06449
    },
    "end": {
      "name": "Trient",
      "lat": 46.059066,
      "lon": 6.960443
    }
  },
  "measurements": {
    "lengthMiles": 11.3,
    "lengthKm": 18.2,
    "driveMinutes": 23,
    "corners": 20,
    "hairpins": 5,
    "maxGradientPercent": 8,
    "summitMetres": 1539,
    "elevationConfidence": "measured",
    "difficulty": "moderate",
    "tightnessOutOf10": 5
  },
  "timing": {
    "bestSeasons": [
      "spring",
      "summer",
      "autumn"
    ]
  },
  "conditions": {},
  "hazards": [
    "Winter ice and closures",
    "Tour-bus and cyclist traffic",
    "Steeper upper hairpins"
  ],
  "scenery": [
    "mountain",
    "forest",
    "valley"
  ],
  "pointsOfInterest": [
    "Col de la Forclaz",
    "Roue de moulin",
    "Grotte aux Nymphes"
  ],
  "geometry": {
    "pointCount": 127
  },
  "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": "2026-07-25"
}