{
  "name": "Lolo Pass",
  "slug": "lolo-pass-us-12",
  "url": "https://www.bestdrivingroads.com/roads/lolo-pass-us-12/",
  "summary": "Winding river-canyon climb over the Bitterroot crest",
  "roadNumbers": [
    "US 12"
  ],
  "location": {
    "country": "United States",
    "region": "Idaho",
    "start": {
      "name": "Lolo",
      "lat": 46.515921,
      "lon": -114.711516
    },
    "end": {
      "name": "Kooskia",
      "lat": 46.747529,
      "lon": -114.516713
    }
  },
  "measurements": {
    "lengthMiles": 21.4,
    "lengthKm": 34.4,
    "driveMinutes": 43,
    "corners": 90,
    "hairpins": 0,
    "maxGradientPercent": 7,
    "summitMetres": 1595.7,
    "elevationConfidence": "measured",
    "difficulty": "moderate",
    "tightnessOutOf10": 5
  },
  "timing": {
    "bestSeasons": [
      "summer",
      "autumn"
    ]
  },
  "conditions": {},
  "hazards": [
    "Logging and freight trucks",
    "Few services for miles",
    "Winter snow and ice"
  ],
  "scenery": [
    "mountain",
    "forest",
    "valley"
  ],
  "pointsOfInterest": [
    "Lolo Pass"
  ],
  "geometry": {
    "pointCount": 194
  },
  "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"
}