{
  "name": "Carretera Austral",
  "slug": "carretera-austral-cerro-castillo",
  "url": "https://www.bestdrivingroads.com/roads/carretera-austral-cerro-castillo/",
  "summary": "Ruta 7 leaves the rock spires of Cerro Castillo, drops into the Río Ibáñez valley and runs the shore of Lago General Carrera, South America's second-largest freshwater lake, to the Marble Caves at Puerto Río Tranquilo. Mostly gravel, punishingly corrugated, properly remote.",
  "roadNumbers": [
    "7"
  ],
  "location": {
    "country": "Chile",
    "region": "Aysén",
    "start": {
      "name": "Villa Cerro Castillo",
      "lat": -46.117048,
      "lon": -72.153455
    },
    "end": {
      "name": "Puerto Río Tranquilo",
      "lat": -46.623118,
      "lon": -72.674389
    }
  },
  "measurements": {
    "lengthMiles": 74.1,
    "lengthKm": 119.3,
    "driveMinutes": 148,
    "corners": 49,
    "hairpins": 0,
    "maxGradientPercent": 8,
    "summitMetres": 616.2,
    "elevationConfidence": "measured",
    "difficulty": "moderate",
    "tightnessOutOf10": 5
  },
  "timing": {
    "bestSeasons": [
      "spring",
      "summer",
      "autumn"
    ]
  },
  "conditions": {
    "hasUnpavedSection": true
  },
  "hazards": [
    "Unpaved gravel sections (ripio)",
    "Corrugated surface",
    "High winds",
    "River fords after heavy rain",
    "Loose rocks"
  ],
  "scenery": [
    "mountain",
    "valley",
    "lakes",
    "forest"
  ],
  "pointsOfInterest": [
    "Mirador Lago General Carrera",
    "Puente Manso"
  ],
  "geometry": {
    "pointCount": 496
  },
  "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"
}