{
  "name": "Aso Milk Road (Daikanbo)",
  "slug": "aso-milk-road-daikanbo",
  "url": "https://www.bestdrivingroads.com/roads/aso-milk-road-daikanbo/",
  "summary": "A dairy-pasture rim road along Aso's northern caldera wall, climbing to the Daikanbo overlook.",
  "roadNumbers": [
    "339"
  ],
  "location": {
    "country": "Japan",
    "region": "Kumamoto",
    "start": {
      "name": "Ozu (north caldera rim)",
      "lat": 32.887808,
      "lon": 130.897267
    },
    "end": {
      "name": "Daikanbo, Aso",
      "lat": 33.001782,
      "lon": 131.071711
    }
  },
  "measurements": {
    "lengthMiles": 17.3,
    "lengthKm": 27.8,
    "driveMinutes": 32,
    "corners": 60,
    "hairpins": 4,
    "maxGradientPercent": 7.5,
    "summitMetres": 963.5,
    "elevationConfidence": "measured",
    "difficulty": "moderate",
    "tightnessOutOf10": 3
  },
  "timing": {
    "bestSeasons": [
      "spring",
      "summer",
      "autumn"
    ]
  },
  "conditions": {},
  "hazards": [
    "Free-roaming cattle on the carriageway",
    "Rapid caldera mist",
    "Winter ice on shaded rim sections"
  ],
  "scenery": [
    "mountain",
    "moorland",
    "valley"
  ],
  "pointsOfInterest": [
    "Daikanbo Lookout"
  ],
  "geometry": {
    "pointCount": 215
  },
  "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"
}