{
  "name": "Hakkoda-Towada Gold Line (Route 103)",
  "slug": "hakkoda-towada-gold-line",
  "url": "https://www.bestdrivingroads.com/roads/hakkoda-towada-gold-line/",
  "summary": "The Hakkoda crossing on Route 103 past Sukayu Onsen, famous for spring snow walls and autumn beech.",
  "roadNumbers": [
    "103"
  ],
  "location": {
    "country": "Japan",
    "region": "Aomori",
    "start": {
      "name": "Sukayu Onsen, Aomori",
      "lat": 40.654574,
      "lon": 140.835709
    },
    "end": {
      "name": "Jogakura, Aomori",
      "lat": 40.72582,
      "lon": 140.802851
    }
  },
  "measurements": {
    "lengthMiles": 7.4,
    "lengthKm": 11.9,
    "driveMinutes": 16,
    "corners": 90,
    "hairpins": 0,
    "maxGradientPercent": 8,
    "summitMetres": 809.6,
    "elevationConfidence": "measured",
    "difficulty": "demanding",
    "tightnessOutOf10": 6
  },
  "timing": {
    "bestSeasons": [
      "spring",
      "summer",
      "autumn"
    ],
    "closesInWinter": true
  },
  "conditions": {},
  "hazards": [
    "Winter closure with lane-narrowing spring snow walls",
    "Fog and sulphur steam near Sukayu Onsen",
    "Slow sightseeing buses on the hairpins"
  ],
  "scenery": [
    "mountain",
    "forest",
    "valley"
  ],
  "pointsOfInterest": [
    "Sukayu Onsen",
    "Jogakura Bridge",
    "Hakkoda Ropeway"
  ],
  "geometry": {
    "pointCount": 119
  },
  "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"
}