{
  "name": "Tsumagoi Panorama Line",
  "slug": "tsumagoi-panorama-line",
  "url": "https://www.bestdrivingroads.com/roads/tsumagoi-panorama-line/",
  "summary": "A highland farm road above 1000m through Tsumagoi's cabbage fields, with Hokkaido-like open ridgelines and close views of Mount Asama.",
  "location": {
    "country": "Japan",
    "region": "Gunma",
    "start": {
      "name": "Tsumagoi (Pref Rd 59 junction)",
      "lat": 36.529141,
      "lon": 138.470202
    },
    "end": {
      "name": "Tsumagoi (Route 144)",
      "lat": 36.490043,
      "lon": 138.509823
    }
  },
  "measurements": {
    "lengthMiles": 10.7,
    "lengthKm": 17.2,
    "driveMinutes": 20,
    "corners": 45,
    "hairpins": 0,
    "maxGradientPercent": 8,
    "summitMetres": 1319.2,
    "elevationConfidence": "measured",
    "difficulty": "moderate",
    "tightnessOutOf10": 3
  },
  "timing": {
    "bestSeasons": [
      "spring",
      "summer",
      "autumn"
    ],
    "closesInWinter": true
  },
  "conditions": {},
  "hazards": [
    "Partial winter closure of the north route",
    "Slow farm vehicles and harvest trucks",
    "Open unbarriered highland edges"
  ],
  "scenery": [
    "mountain",
    "moorland",
    "valley"
  ],
  "pointsOfInterest": [
    "Aisai no Oka"
  ],
  "geometry": {
    "pointCount": 126
  },
  "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"
}