{
 "ocl_version": "0.1.0",
 "name": "Rams Clough Lane",
 "slug": "rams-clough-lane",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.366577733206896,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 126.0,
   "end_distance_m": 128.0,
   "start_elevation_m": 255.90494590447895,
   "end_elevation_m": 256.3922774591431,
   "min_gradient_pct": -2.250313957893013
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.89878411993891,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 131.0,
   "end_distance_m": 134.0,
   "start_elevation_m": 257.0508676046688,
   "end_elevation_m": 257.76783112826695,
   "min_gradient_pct": -1.5032259876799496
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.490612061607408,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 129.0,
   "end_distance_m": 134.0,
   "start_elevation_m": 256.5933005251866,
   "end_elevation_m": 257.76783112826695,
   "min_gradient_pct": -0.2422580087636561
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.061978371835608,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 126.0,
   "end_distance_m": 136.0,
   "start_elevation_m": 255.90494590447895,
   "end_elevation_m": 258.2111437416625,
   "min_gradient_pct": 1.5388150806398926
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.37236098013298,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 121.0,
   "end_distance_m": 141.0,
   "start_elevation_m": 254.83756104262565,
   "end_elevation_m": 259.31203323865225,
   "min_gradient_pct": 2.898021557923869
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.945959087172014,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 118.0,
   "end_distance_m": 143.0,
   "start_elevation_m": 254.23819469386734,
   "end_elevation_m": 259.72468446566035,
   "min_gradient_pct": 3.48105314418126
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.831036439335207,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 93.0,
   "end_distance_m": 143.0,
   "start_elevation_m": 249.30916624599274,
   "end_elevation_m": 259.72468446566035,
   "min_gradient_pct": 5.693513433778435
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.99144812831986,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 52.0,
   "end_distance_m": 152.0,
   "start_elevation_m": 242.40116513393411,
   "end_elevation_m": 261.392613262254,
   "min_gradient_pct": 5.9376354707346195
  }
 ],
 "shape": {
  "ascent_concentration": 0.423,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 144.0,
  "shape_class": "sustained"
 },
 "length_m": 288.824685300685,
 "start_elevation_m": 236.8627122886973,
 "end_elevation_m": 271.11158325714445,
 "endpoint_gain_m": 34.248870968447136,
 "overall_gradient_pct": 11.858013774962435,
 "accumulated_ascent_m": 34.31142193723389,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.490612061607408,
   "start_distance_m": 129.0,
   "end_distance_m": 134.0,
   "midpoint_distance_m": 131.5,
   "start_elevation_m": 256.5933005251866,
   "end_elevation_m": 257.76783112826695,
   "start_xy": [
    375503.37783763034,
    425743.03547415003
   ],
   "end_xy": [
    375507.72358626843,
    425745.39609325334
   ]
  },
  "max_10m": {
   "gradient_pct": 23.061978371835608,
   "start_distance_m": 126.0,
   "end_distance_m": 136.0,
   "midpoint_distance_m": 131.0,
   "start_elevation_m": 255.90494590447895,
   "end_elevation_m": 258.2111437416625,
   "start_xy": [
    375500.49543351337,
    425742.2037611547
   ],
   "end_xy": [
    375508.7529769964,
    425746.9870233579
   ]
  },
  "max_20m": {
   "gradient_pct": 22.37236098013298,
   "start_distance_m": 121.0,
   "end_distance_m": 141.0,
   "midpoint_distance_m": 131.0,
   "start_elevation_m": 254.83756104262565,
   "end_elevation_m": 259.31203323865225,
   "start_xy": [
    375496.5670544296,
    425739.67185894196
   ],
   "end_xy": [
    375509.18589773,
    425751.81415292283
   ]
  },
  "max_25m": {
   "gradient_pct": 21.945959087172014,
   "start_distance_m": 118.0,
   "end_distance_m": 143.0,
   "midpoint_distance_m": 130.5,
   "start_elevation_m": 254.23819469386734,
   "end_elevation_m": 259.72468446566035,
   "start_xy": [
    375495.0077517882,
    425737.108935753
   ],
   "end_xy": [
    375508.8037774425,
    425753.7773095864
   ]
  },
  "max_50m": {
   "gradient_pct": 20.831036439335207,
   "start_distance_m": 93.0,
   "end_distance_m": 143.0,
   "midpoint_distance_m": 118.0,
   "start_elevation_m": 249.30916624599274,
   "end_elevation_m": 259.72468446566035,
   "start_xy": [
    375483.9263404853,
    425714.7061104634
   ],
   "end_xy": [
    375508.8037774425,
    425753.7773095864
   ]
  },
  "max_100m": {
   "gradient_pct": 18.99144812831986,
   "start_distance_m": 52.0,
   "end_distance_m": 152.0,
   "midpoint_distance_m": 102.0,
   "start_elevation_m": 242.40116513393411,
   "end_elevation_m": 261.392613262254,
   "start_xy": [
    375465.9613013061,
    425677.8515670897
   ],
   "end_xy": [
    375504.01307381765,
    425761.27245207044
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.2422580087636561,
   "start_distance_m": 214.0,
   "end_distance_m": 219.0,
   "midpoint_distance_m": 216.5,
   "start_elevation_m": 266.4194094468441,
   "end_elevation_m": 266.4072965464059,
   "start_xy": [
    375473.81311083003,
    425814.180782049
   ],
   "end_xy": [
    375478.23503198166,
    425814.31147762825
   ]
  },
  "min_10m": {
   "gradient_pct": 1.5388150806398926,
   "start_distance_m": 208.0,
   "end_distance_m": 218.0,
   "midpoint_distance_m": 213.0,
   "start_elevation_m": 266.2287414375575,
   "end_elevation_m": 266.3826229456215,
   "start_xy": [
    375477.2424098484,
    425809.2573779174
   ],
   "end_xy": [
    375477.23570129933,
    425814.3480588715
   ]
  },
  "min_20m": {
   "gradient_pct": 2.898021557923869,
   "start_distance_m": 199.0,
   "end_distance_m": 219.0,
   "midpoint_distance_m": 209.0,
   "start_elevation_m": 265.82769223482114,
   "end_elevation_m": 266.4072965464059,
   "start_xy": [
    375482.38635837584,
    425801.8722717201
   ],
   "end_xy": [
    375478.23503198166,
    425814.31147762825
   ]
  },
  "min_25m": {
   "gradient_pct": 3.48105314418126,
   "start_distance_m": 194.0,
   "end_distance_m": 219.0,
   "midpoint_distance_m": 206.5,
   "start_elevation_m": 265.5370332603606,
   "end_elevation_m": 266.4072965464059,
   "start_xy": [
    375485.2441075578,
    425797.76943494374
   ],
   "end_xy": [
    375478.23503198166,
    425814.31147762825
   ]
  },
  "min_50m": {
   "gradient_pct": 5.693513433778435,
   "start_distance_m": 173.0,
   "end_distance_m": 223.0,
   "midpoint_distance_m": 198.0,
   "start_elevation_m": 263.85032993728373,
   "end_elevation_m": 266.69708665417295,
   "start_xy": [
    375492.88170892955,
    425778.76124654035
   ],
   "end_xy": [
    375482.232354711,
    425814.1651526553
   ]
  },
  "min_100m": {
   "gradient_pct": 5.9376354707346195,
   "start_distance_m": 188.0,
   "end_distance_m": 288.0,
   "midpoint_distance_m": 238.0,
   "start_elevation_m": 265.1154432638601,
   "end_elevation_m": 271.0530787345947,
   "start_xy": [
    375488.6734065761,
    425792.8460308121
   ],
   "end_xy": [
    375541.25094851194,
    425837.60440425837
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.366577733206896,
   "start_distance_m": 126.0,
   "end_distance_m": 128.0,
   "midpoint_distance_m": 127.0,
   "start_elevation_m": 255.90494590447895,
   "end_elevation_m": 256.3922774591431,
   "start_xy": [
    375500.49543351337,
    425742.2037611547
   ],
   "end_xy": [
    375502.41703625803,
    425742.75823648495
   ]
  },
  "max_3m": {
   "gradient_pct": 23.89878411993891,
   "start_distance_m": 131.0,
   "end_distance_m": 134.0,
   "midpoint_distance_m": 132.5,
   "start_elevation_m": 257.0508676046688,
   "end_elevation_m": 257.76783112826695,
   "start_xy": [
    375505.2446482884,
    425743.7064582362
   ],
   "end_xy": [
    375507.72358626843,
    425745.39609325334
   ]
  }
 },
 "diagnostic_note": "Windows <=3 m are at raster-noise scale (1-sigma raster noise alone is roughly +/-7 pp at 2 m and +/-5 pp at 3 m on a 1 m DTM). Diagnostic use only: never a headline or ranking value.",
 "quality_summary": {
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.0,
   "obstruction_max_height_m": 1.61,
   "flagged_windows_m": []
  },
  "review": [],
  "extent": []
 },
 "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/bulk_dtm_1m/SD7525.tif"
  ],
  "calculated_at": "2026-09-05T00:23:13+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "/root/uk-climbs/data/cache/pbf/england-2026-08-27.osm.pbf",
  "osm_snapshot": "2026-08-26T20:22:15Z",
  "run_id": "hunt-england-260905",
  "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": [
   "SD7525.tif"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Green Haworth",
  "county": "Lancashire"
 }
}