{
  "checked": "2026-10-15",
  "source": "https://portal.csdi.gov.hk/csdi-webpage/dataset/landsd_rcd_1648571595120_89752",
  "terms": "https://portal.csdi.gov.hk/csdi-webpage/doc/TNC",
  "provider": "Lands Department / CSDI",
  "records": 382,
  "hills": 321,
  "passes": 61,
  "names": 426,
  "heightProfiles": 207,
  "coordinateMeaning": "Gazetteer reference points, not surveyed summit coordinates or trail entrances.",
  "heights": "LandsD 1:50,000 topographic map positive SPT features uniquely matched within 60 m of a named hill reference point. Heights in metres above Hong Kong Principal Datum (HKPD); spatial joins do not certify summit heights. No zero substitution or DEM sampling.",
  "heightSource": "https://portal.csdi.gov.hk/csdi-webpage/dataset/landsd_rcd_1637221775627_85634",
  "nearby": "Closest record per category, maximum four categories within 3 km; great-circle straight-line point-to-point distance. Not evidence of summit facilities, walkable access, operation, opening times or drinking-water quality. No absence claims.",
  "nearbyTrails": "Great-circle distance to nearest mapped trail segment using a local equirectangular projection; two nearest within 3 km. Not a walking distance, summit connection, access or safety determination.",
  "sha256": "216bdfe7bbddd2aecd538f50ffa74a07b9bf2e717a95f8f045374b102deccafe",
  "elevationSHA256": "faebcbb327eb2dbccbfc4b19658a4e71e84da28ba31b500cc86fb9eee2cf2997",
  "photoManifest": "/assets/provenance/mountain-photos.json",
  "additions": {
    "file": "data/research/mountains/additional-landforms.json",
    "records": 6,
    "checked": "2026-10-18",
    "sources": [
      {
        "dataset": "LandsD Location Search API",
        "url": "https://data.gov.hk/en-data/dataset/hk-landsd-openmap-development-location-search-api",
        "terms": "https://data.gov.hk/en/terms-and-conditions"
      }
    ],
    "coordinateMeaning": "LandsD Location Search name reference points, not surveyed summit coordinates or trail entrances.",
    "heights": "Landforms outside the gazetteer (additional-landforms.json) take a reviewed LandsD 1:20,000 spot height within 2 m of the named point, cross-checked against the 1:5,000 map and the 5 m DTM (height-overrides.json, additions). They never take a 1:50,000 join.",
    "sha256": "c72ea4f3bb90ea7113144d0a78d99d36e396febdbe52fa1be6e7afc56eb578f8"
  }
}
