{
  "name": "Yad Moss",
  "slug": "b6277-teesdale-alston",
  "url": "https://www.bestdrivingroads.com/roads/b6277-teesdale-alston/",
  "summary": "The highest B-road in Britain, the B6277, climbing from Middleton-in-Teesdale across the bleak North Pennine roof to Alston, England's highest market town.",
  "roadNumbers": [
    "B6277"
  ],
  "location": {
    "country": "United Kingdom",
    "region": "County Durham",
    "start": {
      "name": "Middleton-in-Teesdale",
      "lat": 54.62402,
      "lon": -2.083029
    },
    "end": {
      "name": "Alston",
      "lat": 54.810878,
      "lon": -2.437236
    }
  },
  "measurements": {
    "lengthMiles": 21.5,
    "lengthKm": 34.6,
    "driveMinutes": 41,
    "corners": 40,
    "hairpins": 0,
    "maxGradientPercent": 14,
    "summitMetres": 598.9,
    "elevationConfidence": "measured",
    "difficulty": "demanding",
    "tightnessOutOf10": 4
  },
  "timing": {
    "bestSeasons": [
      "spring",
      "summer",
      "autumn"
    ]
  },
  "conditions": {},
  "hazards": [
    "Severe dips and crests hiding oncoming traffic",
    "Ice and snow on the high watershed",
    "Sheep on unfenced moor"
  ],
  "scenery": [
    "moorland",
    "mountain",
    "valley"
  ],
  "pointsOfInterest": [
    "Little Middleton Force (Waterfall)",
    "Ashgill Force",
    "Low Force"
  ],
  "geometry": {
    "pointCount": 185
  },
  "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"
}