{
  "name": "Col de la Colombière",
  "slug": "col-de-la-colombiere",
  "url": "https://www.bestdrivingroads.com/roads/col-de-la-colombiere/",
  "summary": "In the Tour de France since 1960 and it drives like it: a gentle, open approach from Le Grand-Bornand, then steep final kilometres to the 1,613 m col. The north side falls away narrower and sharper toward Scionzier, and it's our pick of the two.",
  "roadNumbers": [
    "D4"
  ],
  "location": {
    "country": "France",
    "region": "Auvergne-Rhône-Alpes",
    "start": {
      "name": "Le Grand-Bornand",
      "lat": 45.9419,
      "lon": 6.4271
    },
    "end": {
      "name": "Scionzier",
      "lat": 46.054834,
      "lon": 6.553967
    }
  },
  "measurements": {
    "lengthMiles": 17.6,
    "lengthKm": 28.3,
    "driveMinutes": 37,
    "corners": 22,
    "hairpins": 17,
    "maxGradientPercent": 10,
    "summitMetres": 1612.5,
    "elevationConfidence": "measured",
    "difficulty": "demanding",
    "tightnessOutOf10": 6
  },
  "timing": {
    "bestSeasons": [
      "summer",
      "autumn"
    ],
    "closesInWinter": true
  },
  "conditions": {},
  "hazards": [
    "Steep northern ramps",
    "Winter closure",
    "Heavy cyclist traffic"
  ],
  "scenery": [
    "mountain",
    "valley",
    "forest"
  ],
  "pointsOfInterest": [
    "Cascade mystérieuse",
    "Col de la Colombière"
  ],
  "geometry": {
    "pointCount": 267
  },
  "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"
}