{
  "name": "Mugikusa Pass (Route 299)",
  "slug": "mugikusa-pass-route-299",
  "url": "https://www.bestdrivingroads.com/roads/mugikusa-pass-route-299/",
  "summary": "The Marchen Kaido over Mugikusa Pass, Japan's second-highest national-highway pass, through Yatsugatake's mossy forests.",
  "roadNumbers": [
    "299"
  ],
  "location": {
    "country": "Japan",
    "region": "Nagano",
    "start": {
      "name": "Chino (Tateshina side)",
      "lat": 36.046298,
      "lon": 138.270016
    },
    "end": {
      "name": "Sakuho",
      "lat": 36.110412,
      "lon": 138.437708
    }
  },
  "measurements": {
    "lengthMiles": 21.9,
    "lengthKm": 35.2,
    "driveMinutes": 46,
    "corners": 80,
    "hairpins": 19,
    "maxGradientPercent": 8,
    "summitMetres": 2129.2,
    "elevationConfidence": "measured",
    "difficulty": "demanding",
    "tightnessOutOf10": 6
  },
  "timing": {
    "bestSeasons": [
      "spring",
      "summer",
      "autumn"
    ],
    "closesInWinter": true
  },
  "conditions": {},
  "hazards": [
    "Pass section closed in winter",
    "Frost and shaded-forest ice",
    "Cyclists and hikers near Shirakoma Pond"
  ],
  "scenery": [
    "mountain",
    "forest",
    "lakes"
  ],
  "pointsOfInterest": [
    "Mugikusatoge Pass",
    "Seitaiso"
  ],
  "geometry": {
    "pointCount": 392
  },
  "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"
}