{
  "name": "Grande Corniche",
  "slug": "grande-corniche-d2564",
  "url": "https://www.bestdrivingroads.com/roads/grande-corniche-d2564/",
  "summary": "Napoleon's high road from Nice to Roquebrune climbs past the Nice observatory to the Col d'Èze and La Turbie, sometimes 500 m above the sea, with Nice, Cap Ferrat, Monaco and Cap Martin laid out below.",
  "roadNumbers": [
    "M2564",
    "D2564"
  ],
  "location": {
    "country": "France",
    "region": "Alpes-Maritimes",
    "start": {
      "name": "Nice",
      "lat": 43.708305,
      "lon": 7.292792
    },
    "end": {
      "name": "Roquebrune-Cap-Martin",
      "lat": 43.758505,
      "lon": 7.469435
    }
  },
  "measurements": {
    "lengthMiles": 15,
    "lengthKm": 24.1,
    "driveMinutes": 30,
    "corners": 105,
    "hairpins": 0,
    "maxGradientPercent": 9,
    "summitMetres": 542.5,
    "elevationConfidence": "measured",
    "difficulty": "moderate",
    "tightnessOutOf10": 5
  },
  "timing": {
    "bestSeasons": [
      "spring",
      "autumn",
      "winter"
    ]
  },
  "conditions": {},
  "hazards": [
    "Cyclists on the climbs all year",
    "Fog around La Turbie hiding the views",
    "Twisty in places, watch for other traffic"
  ],
  "scenery": [
    "coast",
    "mountain"
  ],
  "pointsOfInterest": [
    "Observatoire de Nice",
    "Col d'Èze",
    "Parc de la Grande Corniche",
    "Trophée des Alpes",
    "Château des Grimaldi"
  ],
  "geometry": {
    "pointCount": 269
  },
  "attribution": {
    "source": "bestdrivingroads.com",
    "citation": "Cite with a link to the road page. Stats are measured from the mapped line; 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": "2026-10-11"
}