{
 "ocl_version": "0.1.0",
 "name": "Bear Way",
 "slug": "bear-way",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 35.19462755619145,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 45.0,
   "end_distance_m": 47.0,
   "start_elevation_m": 163.5706111824005,
   "end_elevation_m": 164.27450373352434,
   "min_gradient_pct": -24.978774827829398,
   "suppressed_max_gradient_pct": 35.6390482290692,
   "suppressed_location_m": [
    485.0,
    487.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 33.960648194513965,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 45.0,
   "end_distance_m": 48.0,
   "start_elevation_m": 163.5706111824005,
   "end_elevation_m": 164.58943062823593,
   "min_gradient_pct": -22.88962243313127,
   "suppressed_max_gradient_pct": 35.35379507299202,
   "suppressed_location_m": [
    485.0,
    488.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 34.446464380759494,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 45.0,
   "end_distance_m": 50.0,
   "start_elevation_m": 163.5706111824005,
   "end_elevation_m": 165.2929344014385,
   "min_gradient_pct": -20.29130247066064,
   "suppressed_max_gradient_pct": 35.01307155589927,
   "suppressed_location_m": [
    485.0,
    490.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 31.83305321687982,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 40.0,
   "end_distance_m": 50.0,
   "start_elevation_m": 162.1096290797505,
   "end_elevation_m": 165.2929344014385,
   "min_gradient_pct": -16.91154769737352
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 26.239896165592853,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 35.0,
   "end_distance_m": 55.0,
   "start_elevation_m": 161.0016132403445,
   "end_elevation_m": 166.24959247346308,
   "min_gradient_pct": -11.052959785298668
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.427022239784264,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 34.0,
   "end_distance_m": 59.0,
   "start_elevation_m": 160.84055449559156,
   "end_elevation_m": 166.94731005553763,
   "min_gradient_pct": -9.350436797908628
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.24170521579333,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 25.0,
   "end_distance_m": 75.0,
   "start_elevation_m": 159.60631006916117,
   "end_elevation_m": 170.22716267705783,
   "min_gradient_pct": -7.883665917690962
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.00065857610693,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 13.0,
   "end_distance_m": 113.0,
   "start_elevation_m": 157.52822562727033,
   "end_elevation_m": 174.52888420337726,
   "min_gradient_pct": -7.093609693619783
  }
 ],
 "shape": {
  "ascent_concentration": 0.442,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 88.0,
  "shape_class": "sustained"
 },
 "length_m": 618.9154822424597,
 "start_elevation_m": 156.02469937346527,
 "end_elevation_m": 186.65451779601057,
 "endpoint_gain_m": 30.6298184225453,
 "overall_gradient_pct": 4.948950107301742,
 "accumulated_ascent_m": 44.879208461885554,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 34.446464380759494,
   "start_distance_m": 45.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 47.5,
   "start_elevation_m": 163.5706111824005,
   "end_elevation_m": 165.2929344014385,
   "start_xy": [
    373536.30995233316,
    4902972.960900813
   ],
   "end_xy": [
    373538.4761429398,
    4902977.467297764
   ]
  },
  "max_10m": {
   "gradient_pct": 31.83305321687982,
   "start_distance_m": 40.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 45.0,
   "start_elevation_m": 162.1096290797505,
   "end_elevation_m": 165.2929344014385,
   "start_xy": [
    373534.1441519115,
    4902968.454316453
   ],
   "end_xy": [
    373538.4761429398,
    4902977.467297764
   ]
  },
  "max_20m": {
   "gradient_pct": 26.239896165592853,
   "start_distance_m": 35.0,
   "end_distance_m": 55.0,
   "midpoint_distance_m": 45.0,
   "start_elevation_m": 161.0016132403445,
   "end_elevation_m": 166.24959247346308,
   "start_xy": [
    373531.9779613478,
    4902963.947919482
   ],
   "end_xy": [
    373540.6419435225,
    4902981.9738824805
   ]
  },
  "max_25m": {
   "gradient_pct": 24.427022239784264,
   "start_distance_m": 34.0,
   "end_distance_m": 59.0,
   "midpoint_distance_m": 46.5,
   "start_elevation_m": 160.84055449559156,
   "end_elevation_m": 166.94731005553763,
   "start_xy": [
    373531.5451977884,
    4902963.046412021
   ],
   "end_xy": [
    373542.37498042476,
    4902985.578959361
   ]
  },
  "max_50m": {
   "gradient_pct": 21.24170521579333,
   "start_distance_m": 25.0,
   "end_distance_m": 75.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 159.60631006916117,
   "end_elevation_m": 170.22716267705783,
   "start_xy": [
    373527.6459703195,
    4902954.934938171
   ],
   "end_xy": [
    373549.305113574,
    4903000.000235784
   ]
  },
  "max_100m": {
   "gradient_pct": 17.00065857610693,
   "start_distance_m": 13.0,
   "end_distance_m": 113.0,
   "midpoint_distance_m": 63.0,
   "start_elevation_m": 157.52822562727033,
   "end_elevation_m": 174.52888420337726,
   "start_xy": [
    373522.4480619601,
    4902944.1191289285
   ],
   "end_xy": [
    373565.7659578162,
    4903034.249912223
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -20.29130247066064,
   "start_distance_m": 324.0,
   "end_distance_m": 329.0,
   "midpoint_distance_m": 326.5,
   "start_elevation_m": 188.0185096168043,
   "end_elevation_m": 187.00394449327126,
   "start_xy": [
    373554.59056120226,
    4903222.799971174
   ],
   "end_xy": [
    373550.0826190898,
    4903224.962943386
   ]
  },
  "min_10m": {
   "gradient_pct": -16.91154769737352,
   "start_distance_m": 419.0,
   "end_distance_m": 429.0,
   "midpoint_distance_m": 424.0,
   "start_elevation_m": 181.86973060482944,
   "end_elevation_m": 180.1785758350921,
   "start_xy": [
    373473.0543671717,
    4903270.5550674135
   ],
   "end_xy": [
    373465.1974648048,
    4903276.734833124
   ]
  },
  "min_20m": {
   "gradient_pct": -11.052959785298668,
   "start_distance_m": 409.0,
   "end_distance_m": 429.0,
   "midpoint_distance_m": 419.0,
   "start_elevation_m": 182.38916779215182,
   "end_elevation_m": 180.1785758350921,
   "start_xy": [
    373480.9465344067,
    4903264.413922528
   ],
   "end_xy": [
    373465.1974648048,
    4903276.734833124
   ]
  },
  "min_25m": {
   "gradient_pct": -9.350436797908628,
   "start_distance_m": 403.0,
   "end_distance_m": 428.0,
   "midpoint_distance_m": 415.5,
   "start_elevation_m": 182.6703155076214,
   "end_elevation_m": 180.33270630814425,
   "start_xy": [
    373485.6815696938,
    4903260.728895067
   ],
   "end_xy": [
    373465.95175237,
    4903276.082509224
   ]
  },
  "min_50m": {
   "gradient_pct": -7.883665917690962,
   "start_distance_m": 419.0,
   "end_distance_m": 469.0,
   "midpoint_distance_m": 444.0,
   "start_elevation_m": 181.86973060482944,
   "end_elevation_m": 177.92789764598396,
   "start_xy": [
    373473.0543671717,
    4903270.5550674135
   ],
   "end_xy": [
    373459.66917513724,
    4903316.323594529
   ]
  },
  "min_100m": {
   "gradient_pct": -7.093609693619783,
   "start_distance_m": 324.0,
   "end_distance_m": 424.0,
   "midpoint_distance_m": 374.0,
   "start_elevation_m": 188.0185096168043,
   "end_elevation_m": 180.9248999231845,
   "start_xy": [
    373554.59056120226,
    4903222.799971174
   ],
   "end_xy": [
    373469.108510246,
    4903273.625930011
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 35.19462755619145,
   "start_distance_m": 45.0,
   "end_distance_m": 47.0,
   "midpoint_distance_m": 46.0,
   "start_elevation_m": 163.5706111824005,
   "end_elevation_m": 164.27450373352434,
   "start_xy": [
    373536.30995233316,
    4902972.960900813
   ],
   "end_xy": [
    373537.17586959363,
    4902974.763728346
   ]
  },
  "max_3m": {
   "gradient_pct": 33.960648194513965,
   "start_distance_m": 45.0,
   "end_distance_m": 48.0,
   "midpoint_distance_m": 46.5,
   "start_elevation_m": 163.5706111824005,
   "end_elevation_m": 164.58943062823593,
   "start_xy": [
    373536.30995233316,
    4902972.960900813
   ],
   "end_xy": [
    373537.6098351665,
    4902975.6646577995
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.082,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    444.0,
    494.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier",
   "descends_at_end"
  ]
 },
 "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:26919",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/me/USGS_1M_19_x37y491_ME_WesternMtns_B24.tif"
  ],
  "calculated_at": "2026-09-03T22:35:15+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/maine-2026-08-22.osm.pbf",
  "osm_snapshot": "2026-08-21T20:21:11Z",
  "run_id": "canopy-tail-260903",
  "elevation_provider": "USGS 3DEP (The National Map)",
  "elevation_licence": "Public domain \u2014 USGS 3DEP 1 m DEM, courtesy of the U.S. Geological Survey",
  "elevation_dataset": "USGS 3DEP 1 m DEM, ME_WesternMtns_B24 (collected 2024)",
  "elevation_tile_ids": [
   "x37y491"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: ME_SouthCoastal_1_2020: no corridor points fetched; NH_Umbagog_2016: no corridor points fetched; USGS_LPC_ME_NRCS_Lot4_2013_LAS_2015: no corridor points fetched; ME_SouthCentral_1_B22: no corridor points fetched",
  "mask_ranges_m": [
   [
    449.0,
    489.0
   ]
  ],
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing.html"
 },
 "area": {
  "place": "Norway",
  "county": "Maine"
 }
}