{
  "name": "The 309 Road",
  "slug": "309-road-coromandel",
  "url": "https://www.bestdrivingroads.com/roads/309-road-coromandel/",
  "summary": "Twisting gravel crossing of the Coromandel Range famed for its many bends and kauri grove.",
  "location": {
    "country": "New Zealand",
    "region": "Waikato",
    "start": {
      "name": "Coromandel",
      "lat": -36.789083,
      "lon": 175.511587
    },
    "end": {
      "name": "Whitianga Road junction",
      "lat": -36.858784,
      "lon": 175.648063
    }
  },
  "measurements": {
    "lengthMiles": 13.1,
    "lengthKm": 21.1,
    "driveMinutes": 27,
    "corners": 90,
    "hairpins": 2,
    "maxGradientPercent": 12,
    "summitMetres": 306.8,
    "elevationConfidence": "measured",
    "difficulty": "moderate",
    "tightnessOutOf10": 6
  },
  "timing": {
    "bestSeasons": [
      "spring",
      "summer",
      "autumn",
      "winter"
    ]
  },
  "conditions": {
    "hasUnpavedSection": true
  },
  "hazards": [
    "Loose gravel",
    "Narrow one-lane sections",
    "Slippery when wet"
  ],
  "scenery": [
    "forest",
    "valley",
    "gorge"
  ],
  "pointsOfInterest": [
    "Waiau Kauri Grove",
    "The Waterworks",
    "Waiau Falls"
  ],
  "geometry": {
    "pointCount": 237
  },
  "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"
}