{
  "name": "Puerto de Navacerrada",
  "slug": "puerto-de-navacerrada",
  "url": "https://www.bestdrivingroads.com/roads/puerto-de-navacerrada/",
  "summary": "The pass closest to Madrid, Puerto de Navacerrada at 1,858 m, climbs through the densest Scots pine forest in Spain to a saddle famous for the Siete Revueltas, seven sharp hairpins that enthusiasts treat as a proving ground.",
  "roadNumbers": [
    "M-601"
  ],
  "location": {
    "country": "Spain",
    "region": "Sierra de Guadarrama",
    "start": {
      "name": "Navacerrada",
      "lat": 40.728817,
      "lon": -4.015225
    },
    "end": {
      "name": "Puerto de Navacerrada",
      "lat": 40.788582,
      "lon": -4.003348
    }
  },
  "measurements": {
    "lengthMiles": 6.3,
    "lengthKm": 10.1,
    "driveMinutes": 13,
    "corners": 10,
    "hairpins": 0,
    "maxGradientPercent": 12,
    "summitMetres": 1860.1,
    "elevationConfidence": "measured",
    "difficulty": "moderate",
    "tightnessOutOf10": 5
  },
  "timing": {
    "bestSeasons": [
      "spring",
      "summer",
      "autumn"
    ]
  },
  "conditions": {},
  "hazards": [
    "Siete Revueltas, seven tight consecutive hairpins on the Segovia descent",
    "Heavy weekend and ski traffic",
    "Ice and snow November to March",
    "Fast motorcyclists on blind bends"
  ],
  "scenery": [
    "mountain",
    "forest"
  ],
  "pointsOfInterest": [
    "Puerto de Navacerrada",
    "Collado del Portazgo",
    "Collado de los Emburriaderos"
  ],
  "geometry": {
    "pointCount": 69
  },
  "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"
}