Hardknott Pass
3119.0 m · net rise 314.9 m · total ascent 318.1 m · overall 10.1% · confidence: good
Shape: sustained — 39% of the climbing sits in a quarter of the distance; longest continuous stretch at 10%+ is 592 m.
Matches: 100 Greatest Cycling Climbs (Simon Warren), Wikipedia — Has its own article (hill pass, Eskdale-Duddon, Lake District).
Gradient ladder what do windows mean?
| Window | Maximum | Located at | |
|---|---|---|---|
| 2 m (diagnostic) | ≈55% | 1–3 m | under overhead cover |
| 3 m (diagnostic) | ≈48% | 0–3 m | under overhead cover |
| 5 m | ≈33% | 0–5 m | under overhead cover |
| 10 m | 28% | 2455–2465 m | |
| 20 m | 26.8% | 2448–2468 m | |
| 25 m | 25.9% | 2446–2471 m | |
| 50 m | 24.2% | 2695–2745 m | |
| 100 m | 22.6% | 2450–2550 m |
may_continue_beyond_end Extent detection suggests reviewing where this climb starts/ends.
Map
Check this route yourself: Google Maps route via their router · Street View at the base where coverage exists · OSM way 160456411 highlights the mapped road · geojson.io our exact measured line · OpenTopoMap
This climb's data: OCL JSON — the full gradient ladder, quality flags and provenance in the OpenClimb Ladder format.
Ridden it, or know better? Submit data for this climb no account needed
© OpenStreetMap contributors · topo tiles © OpenTopoMap (CC-BY-SA) · vector tiles OpenFreeMap

Profile
Provenance
{
"analysis_version": "0.1.0",
"sample_interval_m": 1.0,
"interpolation": "bilinear",
"smoothing": "none",
"gradient_windows_m": [
5.0,
10.0,
20.0,
25.0,
50.0,
100.0
],
"diagnostic_windows_m": [
2.0,
3.0
],
"elevation_crs": "EPSG:27700",
"elevation_resolution_m": 1.0,
"elevation_tiles": [
"data/cache/england/dtm_1m/E320000_N500000_2000m.tif",
"data/cache/england/dtm_1m/E322000_N500000_2000m.tif",
"data/cache/england/dtm_1m/E324000_N500000_2000m.tif"
],
"calculated_at": "2026-08-13T02:13:57+00:00",
"road_source": "OpenStreetMap",
"road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
"osm_ids": [
160456411,
600321484,
600321473,
1093001360,
1093001359
],
"osm_versions": {
"160456411": 17,
"600321484": 8,
"600321473": 13,
"1093001360": 1,
"1093001359": 2
},
"osm_timestamps": {
"160456411": "2026-06-06T14:47:27Z",
"600321484": "2025-06-08T20:35:55Z",
"600321473": "2025-06-08T20:35:55Z",
"1093001360": "2022-09-08T22:06:44Z",
"1093001359": "2024-07-19T21:37:14Z"
},
"osm_retrieved_at": "2026-08-13T02:13:57+00:00",
"elevation_provider": "Environment Agency",
"elevation_dataset": "EA LIDAR Composite DTM 1m (2022)",
"elevation_licence": "Open Government Licence v3 \u2014 \u00a9 Environment Agency",
"elevation_coverage_id": "13787b9a-26a4-4775-8523-806d13af58fc__Lidar_Composite_Elevation_DTM_1m",
"elevation_tile_ids": [
"E320000_N500000_2000m.tif",
"E322000_N500000_2000m.tif",
"E324000_N500000_2000m.tif"
],
"route_summit_trim_m": 1739.1,
"route_summit_trim_loss_m": 176.6,
"climb_origin": "competition",
"notes": "Cumbria. The canonical brutal UK pass; National HC venue territory."
}