{
  "name": "Mynydd Epynt",
  "slug": "b4520-mynydd-epynt",
  "url": "https://www.bestdrivingroads.com/roads/b4520-mynydd-epynt/",
  "summary": "The lonely 'Beacons road' high over Mynydd Epynt.",
  "roadNumbers": [
    "B4520"
  ],
  "location": {
    "country": "United Kingdom",
    "region": "Wales",
    "start": {
      "name": "Llanelwedd",
      "lat": 52.148314,
      "lon": -3.403539
    },
    "end": {
      "name": "Brecon",
      "lat": 51.949111,
      "lon": -3.391332
    }
  },
  "measurements": {
    "lengthMiles": 16.4,
    "lengthKm": 26.4,
    "driveMinutes": 33,
    "corners": 28,
    "hairpins": 0,
    "maxGradientPercent": 9,
    "summitMetres": 420.9,
    "elevationConfidence": "measured",
    "difficulty": "demanding",
    "tightnessOutOf10": 5
  },
  "timing": {
    "bestSeasons": [
      "spring",
      "summer",
      "autumn"
    ]
  },
  "conditions": {},
  "hazards": [
    "Military firing ranges, heed red flags",
    "Sudden hill mist",
    "No fuel or support for miles"
  ],
  "scenery": [
    "moorland",
    "mountain"
  ],
  "pointsOfInterest": [
    "Duke of Wellington"
  ],
  "geometry": {
    "pointCount": 159
  },
  "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"
}