{
  "name": "Zion–Mount Carmel Highway",
  "slug": "zion-mount-carmel-highway",
  "url": "https://www.bestdrivingroads.com/roads/zion-mount-carmel-highway/",
  "summary": "Switchbacks and a famous tunnel through Zion's red-rock canyons.",
  "roadNumbers": [
    "UT 9",
    "SR 9"
  ],
  "location": {
    "country": "United States",
    "region": "Utah",
    "start": {
      "name": "Springdale",
      "lat": 37.201588,
      "lon": -112.988441
    },
    "end": {
      "name": "Mount Carmel Junction",
      "lat": 37.238267,
      "lon": -112.747106
    }
  },
  "measurements": {
    "lengthMiles": 19.9,
    "lengthKm": 32,
    "driveMinutes": 42,
    "corners": 22,
    "hairpins": 1,
    "maxGradientPercent": 6,
    "summitMetres": 1865.3,
    "elevationConfidence": "measured",
    "difficulty": "moderate",
    "tightnessOutOf10": 6
  },
  "timing": {
    "bestSeasons": [
      "spring",
      "summer",
      "autumn"
    ]
  },
  "conditions": {},
  "hazards": [
    "Tunnel traffic control and low clearance",
    "Heavy tourist traffic",
    "Bighorn sheep on the road"
  ],
  "scenery": [
    "gorge",
    "mountain"
  ],
  "pointsOfInterest": [
    "Checkerboard Mesa"
  ],
  "geometry": {
    "pointCount": 202
  },
  "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"
}