{
  "name": "Mount Hamilton Road",
  "slug": "mount-hamilton-road-ca130",
  "url": "https://www.bestdrivingroads.com/roads/mount-hamilton-road-ca130/",
  "summary": "Endless switchbacks from San Jose up to Lick Observatory on Mount Hamilton",
  "roadNumbers": [
    "CA 130"
  ],
  "location": {
    "country": "United States",
    "region": "California",
    "start": {
      "name": "San Jose",
      "lat": 37.366976,
      "lon": -121.826706
    },
    "end": {
      "name": "Mount Hamilton",
      "lat": 37.341585,
      "lon": -121.643816
    }
  },
  "measurements": {
    "lengthMiles": 19.1,
    "lengthKm": 30.7,
    "driveMinutes": 42,
    "corners": 200,
    "hairpins": 7,
    "maxGradientPercent": 8,
    "summitMetres": 1244.2,
    "elevationConfidence": "measured",
    "difficulty": "moderate",
    "tightnessOutOf10": 7
  },
  "timing": {
    "bestSeasons": [
      "spring",
      "summer",
      "autumn",
      "winter"
    ]
  },
  "conditions": {},
  "hazards": [
    "Cyclists on the climb",
    "Narrow blind corners",
    "Summit fog and ice"
  ],
  "scenery": [
    "mountain",
    "valley"
  ],
  "pointsOfInterest": [
    "Ptolemy Peak",
    "Huyghens Peak"
  ],
  "geometry": {
    "pointCount": 379
  },
  "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"
}