{
  "name": "Doi Inthanon Summit Road",
  "slug": "doi-inthanon-summit-road",
  "url": "https://www.bestdrivingroads.com/roads/doi-inthanon-summit-road/",
  "summary": "Route 1009 is the only paved road to the summit of Doi Inthanon, Thailand's highest peak at 2,565 m, climbing 48 km through tropical, pine and rare montane cloud forest.",
  "roadNumbers": [
    "1009"
  ],
  "location": {
    "country": "Thailand",
    "region": "Chiang Mai",
    "start": {
      "name": "Chom Thong",
      "lat": 18.432579,
      "lon": 98.684191
    },
    "end": {
      "name": "Doi Inthanon Summit",
      "lat": 18.588728,
      "lon": 98.486787
    }
  },
  "measurements": {
    "lengthMiles": 29,
    "lengthKm": 46.7,
    "driveMinutes": 58,
    "corners": 56,
    "hairpins": 0,
    "maxGradientPercent": 13,
    "summitMetres": 2562,
    "elevationConfidence": "measured",
    "difficulty": "moderate",
    "tightnessOutOf10": 5
  },
  "timing": {
    "bestSeasons": [
      "winter",
      "spring"
    ]
  },
  "conditions": {},
  "hazards": [
    "Sustained steep gradient on the descent",
    "Summit frost on December-January nights",
    "Cloud and fog at the summit in the wet season",
    "High visitor volume"
  ],
  "scenery": [
    "mountain",
    "forest"
  ],
  "pointsOfInterest": [
    "Sirithan Waterfall viewing platform",
    "Larn Sadat Waterfall viewpoint",
    "Mae Klang Waterfall"
  ],
  "geometry": {
    "pointCount": 309
  },
  "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"
}