{
  "name": "Calanche de Piana",
  "slug": "calanche-de-piana",
  "url": "https://www.bestdrivingroads.com/roads/calanche-de-piana/",
  "summary": "Twelve kilometres of UNESCO-listed red-granite cliffs plunging into the turquoise Gulf of Porto, widely considered one of the great drives of Europe.",
  "roadNumbers": [
    "D81"
  ],
  "location": {
    "country": "France",
    "region": "Corsica",
    "start": {
      "name": "Porto",
      "lat": 42.262968,
      "lon": 8.691316
    },
    "end": {
      "name": "Piana",
      "lat": 42.238277,
      "lon": 8.636698
    }
  },
  "measurements": {
    "lengthMiles": 5.7,
    "lengthKm": 9.2,
    "driveMinutes": 14,
    "corners": 51,
    "hairpins": 3,
    "maxGradientPercent": 17,
    "summitMetres": 480.4,
    "elevationConfidence": "measured",
    "difficulty": "demanding",
    "tightnessOutOf10": 9
  },
  "timing": {
    "bestSeasons": [
      "spring",
      "summer",
      "autumn"
    ]
  },
  "conditions": {},
  "hazards": [
    "Very narrow road",
    "Heavy summer traffic",
    "Tour buses",
    "Blind bends",
    "Sheer cliff drops"
  ],
  "scenery": [
    "coast",
    "mountain"
  ],
  "pointsOfInterest": [
    "Coeur de Piana",
    "Tête de Chien",
    "Le Pass’partout"
  ],
  "geometry": {
    "pointCount": 100
  },
  "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"
}