{
  "name": "Col de Joux Plane",
  "slug": "col-de-joux-plane-d354",
  "url": "https://www.bestdrivingroads.com/roads/col-de-joux-plane-d354/",
  "summary": "A steep, narrow Tour de France col above Morzine.",
  "roadNumbers": [
    "D354"
  ],
  "location": {
    "country": "France",
    "region": "Auvergne-Rhône-Alpes",
    "start": {
      "name": "Morzine",
      "lat": 46.178927,
      "lon": 6.708018
    },
    "end": {
      "name": "Samoëns",
      "lat": 46.083394,
      "lon": 6.72728
    }
  },
  "measurements": {
    "lengthMiles": 14.3,
    "lengthKm": 23,
    "driveMinutes": 32,
    "corners": 34,
    "hairpins": 20,
    "maxGradientPercent": 10,
    "summitMetres": 1700.9,
    "elevationConfidence": "measured",
    "difficulty": "demanding",
    "tightnessOutOf10": 7
  },
  "timing": {
    "bestSeasons": [
      "summer",
      "autumn"
    ]
  },
  "conditions": {},
  "hazards": [
    "Steep, narrow ramps",
    "Cyclists in numbers",
    "Tree-lined blind bends"
  ],
  "scenery": [
    "mountain",
    "valley"
  ],
  "pointsOfInterest": [
    "Cascade de Nyon",
    "La Jaÿsinia",
    "Col de Joux Plane"
  ],
  "geometry": {
    "pointCount": 258
  },
  "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"
}