{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-dewey-point-published-profile",
        "evidence_ids": [
          "evidence-dewey-point-published-profile"
        ],
        "predicate": "published_route_profile",
        "spatial_scope_ids": [
          "scope-glacier-point-road-corridor"
        ],
        "subject_id": "route-dewey-point",
        "temporal_scope": null,
        "value": {
          "elevation_gain_ft": 750,
          "objective_entity_ids": [
            "viewpoint-dewey-point"
          ],
          "operational_status_requires_current_check": true,
          "published_start_entity_id": "trailhead-mcgurk-meadow",
          "published_time": "4 to 5 hours",
          "round_trip_miles": 7.6
        }
      },
      "evidence": [
        {
          "claim_id": "claim-dewey-point-published-profile",
          "evidence_id": "evidence-dewey-point-published-profile",
          "notes": "",
          "observation_id": "observation-nps-yosemite-glacier-point-hikes-20260925",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS publishes Glacier Point Road day-hike starts, distances, times, elevation gains, seasonal access, limited water, and absence of dependable return transit.",
          "observation_id": "observation-nps-yosemite-glacier-point-hikes-20260925",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-25T00:00:00+00:00",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/glacierhikes.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-glacier-point-road-access-profile",
        "evidence_ids": [
          "evidence-glacier-point-road-access-profile"
        ],
        "predicate": "access_profile",
        "spatial_scope_ids": [
          "scope-glacier-point-road-corridor"
        ],
        "subject_id": "place-glacier-point-road-corridor",
        "temporal_scope": null,
        "value": {
          "operational_status_requires_current_check": true,
          "services": "extremely limited",
          "summer_tour_bus": "limited; reservation required; do not depend on return availability",
          "typical_vehicle_season": "May through November, conditions permitting",
          "valley_shuttle": false,
          "water": "typically available at Glacier Point late spring to early fall"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-glacier-point-road-access-profile",
          "evidence_id": "evidence-glacier-point-road-access-profile",
          "notes": "",
          "observation_id": "observation-nps-yosemite-glacier-point-hikes-20260925",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS publishes Glacier Point Road day-hike starts, distances, times, elevation gains, seasonal access, limited water, and absence of dependable return transit.",
          "observation_id": "observation-nps-yosemite-glacier-point-hikes-20260925",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-25T00:00:00+00:00",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/glacierhikes.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-mcgurk-meadow-ordered-geometry-20260926",
        "evidence_ids": [
          "evidence-mcgurk-meadow-ordered-geometry-20260926"
        ],
        "predicate": "ordered_route_geometry",
        "spatial_scope_ids": [
          "scope-glacier-point-road-corridor"
        ],
        "subject_id": "route-mcgurk-meadow",
        "temporal_scope": null,
        "value": {
          "distance_status": "published_at_route_level_only",
          "route_shape": "out_and_back_objective_corridor",
          "segment_ids": [
            "route-segment-yosemite-glacier-point-nps-17070"
          ],
          "start_node_id": "trailhead-mcgurk-meadow"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-mcgurk-meadow-ordered-geometry-20260926",
          "evidence_id": "evidence-mcgurk-meadow-ordered-geometry-20260926",
          "notes": "",
          "observation_id": "observation-nps-glacier-point-map-route-review-20260926",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The official Glacier Point Road trail map and route descriptions establish the three route starts, objectives, shared Sentinel/Taft fork, and named trail identities used in this reviewed graph.",
          "observation_id": "observation-nps-glacier-point-map-route-review-20260926",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-26T00:00:00+00:00",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/glacierhikes.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-mcgurk-meadow-published-profile",
        "evidence_ids": [
          "evidence-mcgurk-meadow-published-profile"
        ],
        "predicate": "published_route_profile",
        "spatial_scope_ids": [
          "scope-glacier-point-road-corridor"
        ],
        "subject_id": "route-mcgurk-meadow",
        "temporal_scope": null,
        "value": {
          "elevation_gain_ft_on_return": 150,
          "objective_entity_ids": [
            "place-mcgurk-meadow"
          ],
          "operational_status_requires_current_check": true,
          "published_start_entity_id": "trailhead-mcgurk-meadow",
          "published_time": "1 to 1.5 hours",
          "round_trip_miles": 1.6
        }
      },
      "evidence": [
        {
          "claim_id": "claim-mcgurk-meadow-published-profile",
          "evidence_id": "evidence-mcgurk-meadow-published-profile",
          "notes": "",
          "observation_id": "observation-nps-yosemite-glacier-point-hikes-20260925",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS publishes Glacier Point Road day-hike starts, distances, times, elevation gains, seasonal access, limited water, and absence of dependable return transit.",
          "observation_id": "observation-nps-yosemite-glacier-point-hikes-20260925",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-25T00:00:00+00:00",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/glacierhikes.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-mono-meadow-published-profile",
        "evidence_ids": [
          "evidence-mono-meadow-published-profile"
        ],
        "predicate": "published_route_profile",
        "spatial_scope_ids": [
          "scope-glacier-point-road-corridor"
        ],
        "subject_id": "route-mono-meadow",
        "temporal_scope": null,
        "value": {
          "elevation_gain_ft_on_return": 900,
          "objective_entity_ids": [
            "place-mono-meadow"
          ],
          "operational_status_requires_current_check": true,
          "published_start_entity_id": "trailhead-mono-meadow",
          "published_time": "2 to 3 hours",
          "round_trip_miles": 3.0
        }
      },
      "evidence": [
        {
          "claim_id": "claim-mono-meadow-published-profile",
          "evidence_id": "evidence-mono-meadow-published-profile",
          "notes": "",
          "observation_id": "observation-nps-yosemite-glacier-point-hikes-20260925",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS publishes Glacier Point Road day-hike starts, distances, times, elevation gains, seasonal access, limited water, and absence of dependable return transit.",
          "observation_id": "observation-nps-yosemite-glacier-point-hikes-20260925",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-25T00:00:00+00:00",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/glacierhikes.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-panorama-trail-published-profile",
        "evidence_ids": [
          "evidence-panorama-trail-published-profile"
        ],
        "predicate": "published_route_profile",
        "spatial_scope_ids": [
          "scope-glacier-point-road-corridor"
        ],
        "subject_id": "route-panorama-trail",
        "temporal_scope": null,
        "value": {
          "descent_ft_approx": 3200,
          "objective_entity_ids": [
            "waterfall-illilouette-fall",
            "trailhead-happy-isles"
          ],
          "one_way_miles": 8.2,
          "operational_status_requires_current_check": true,
          "published_start_entity_id": "trailhead-glacier-point",
          "published_time": "6 to 8 hours",
          "return_transit_not_available": true
        }
      },
      "evidence": [
        {
          "claim_id": "claim-panorama-trail-published-profile",
          "evidence_id": "evidence-panorama-trail-published-profile",
          "notes": "",
          "observation_id": "observation-nps-yosemite-glacier-point-hikes-20260925",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS publishes Glacier Point Road day-hike starts, distances, times, elevation gains, seasonal access, limited water, and absence of dependable return transit.",
          "observation_id": "observation-nps-yosemite-glacier-point-hikes-20260925",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-25T00:00:00+00:00",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/glacierhikes.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-pohono-glacier-point-to-tunnel-view-published-profile",
        "evidence_ids": [
          "evidence-pohono-glacier-point-to-tunnel-view-published-profile"
        ],
        "predicate": "published_route_profile",
        "spatial_scope_ids": [
          "scope-glacier-point-road-corridor"
        ],
        "subject_id": "route-pohono-glacier-point-to-tunnel-view",
        "temporal_scope": null,
        "value": {
          "descent_ft_approx": 3200,
          "objective_entity_ids": [
            "viewpoint-taft-point",
            "viewpoint-dewey-point",
            "place-tunnel-view"
          ],
          "one_way_miles": 12.5,
          "operational_status_requires_current_check": true,
          "published_start_entity_id": "trailhead-glacier-point",
          "published_time": "8 to 10 hours",
          "return_transit_not_available": true
        }
      },
      "evidence": [
        {
          "claim_id": "claim-pohono-glacier-point-to-tunnel-view-published-profile",
          "evidence_id": "evidence-pohono-glacier-point-to-tunnel-view-published-profile",
          "notes": "",
          "observation_id": "observation-nps-yosemite-glacier-point-hikes-20260925",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS publishes Glacier Point Road day-hike starts, distances, times, elevation gains, seasonal access, limited water, and absence of dependable return transit.",
          "observation_id": "observation-nps-yosemite-glacier-point-hikes-20260925",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-25T00:00:00+00:00",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/glacierhikes.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-sentinel-dome-ordered-geometry-20260926",
        "evidence_ids": [
          "evidence-sentinel-dome-ordered-geometry-20260926"
        ],
        "predicate": "ordered_route_geometry",
        "spatial_scope_ids": [
          "scope-glacier-point-road-corridor"
        ],
        "subject_id": "route-sentinel-dome",
        "temporal_scope": null,
        "value": {
          "distance_status": "published_at_route_level_only",
          "route_shape": "out_and_back_objective_corridor",
          "segment_ids": [
            "route-segment-yosemite-glacier-point-nps-22472",
            "route-segment-yosemite-glacier-point-nps-21941",
            "route-segment-yosemite-glacier-point-nps-21957"
          ],
          "start_node_id": "trailhead-sentinel-dome-taft-point"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-sentinel-dome-ordered-geometry-20260926",
          "evidence_id": "evidence-sentinel-dome-ordered-geometry-20260926",
          "notes": "",
          "observation_id": "observation-nps-glacier-point-map-route-review-20260926",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The official Glacier Point Road trail map and route descriptions establish the three route starts, objectives, shared Sentinel/Taft fork, and named trail identities used in this reviewed graph.",
          "observation_id": "observation-nps-glacier-point-map-route-review-20260926",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-26T00:00:00+00:00",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/glacierhikes.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-taft-point-ordered-geometry-20260926",
        "evidence_ids": [
          "evidence-taft-point-ordered-geometry-20260926"
        ],
        "predicate": "ordered_route_geometry",
        "spatial_scope_ids": [
          "scope-glacier-point-road-corridor"
        ],
        "subject_id": "route-taft-point",
        "temporal_scope": null,
        "value": {
          "distance_status": "published_at_route_level_only",
          "route_shape": "out_and_back_objective_corridor",
          "segment_ids": [
            "route-segment-yosemite-glacier-point-nps-22472",
            "route-segment-yosemite-glacier-point-nps-19778",
            "route-segment-yosemite-glacier-point-nps-15277",
            "route-segment-yosemite-glacier-point-nps-20739"
          ],
          "start_node_id": "trailhead-sentinel-dome-taft-point"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-taft-point-ordered-geometry-20260926",
          "evidence_id": "evidence-taft-point-ordered-geometry-20260926",
          "notes": "",
          "observation_id": "observation-nps-glacier-point-map-route-review-20260926",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The official Glacier Point Road trail map and route descriptions establish the three route starts, objectives, shared Sentinel/Taft fork, and named trail identities used in this reviewed graph.",
          "observation_id": "observation-nps-glacier-point-map-route-review-20260926",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-26T00:00:00+00:00",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/glacierhikes.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "place-glacier-point-road-corridor",
      "kind": "place",
      "name": "Glacier Point Road Corridor"
    },
    {
      "entity_id": "route-dewey-point",
      "kind": "route",
      "name": "Dewey Point"
    },
    {
      "entity_id": "route-mcgurk-meadow",
      "kind": "route",
      "name": "McGurk Meadow"
    },
    {
      "entity_id": "route-mono-meadow",
      "kind": "route",
      "name": "Mono Meadow"
    },
    {
      "entity_id": "route-panorama-trail",
      "kind": "route",
      "name": "Panorama Trail"
    },
    {
      "entity_id": "route-pohono-glacier-point-to-tunnel-view",
      "kind": "route",
      "name": "Pohono Trail: Glacier Point to Tunnel View"
    },
    {
      "entity_id": "route-sentinel-dome",
      "kind": "route",
      "name": "Sentinel Dome"
    },
    {
      "entity_id": "route-taft-point",
      "kind": "route",
      "name": "Taft Point"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260925-yosemite-glacier-point-depth",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/sources/source-nps-yosemite-glacier-point-hikes.json",
      "reason": "Add reviewed Glacier Point Road planning depth.",
      "record_id": "source-nps-yosemite-glacier-point-hikes",
      "record_type": "source",
      "summary": "Add official-source Glacier Point Road routes, access, facilities, vehicle constraints, dated closure evidence, reviewed map points, and explicit gaps."
    }
  ],
  "navigation": {
    "next_id": "source-nps-yosemite-half-dome-day-hike",
    "position": 236,
    "previous_id": "source-nps-yosemite-glacier-point",
    "total": 587
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "The official Glacier Point Road trail map and route descriptions establish the three route starts, objectives, shared Sentinel/Taft fork, and named trail identities used in this reviewed graph.",
      "observation_id": "observation-nps-glacier-point-map-route-review-20260926",
      "observed_at": null,
      "observer": "",
      "retrieved_at": "2026-09-26T00:00:00+00:00",
      "source_id": "source-nps-yosemite-glacier-point-hikes"
    },
    {
      "artifact_refs": [],
      "content": "NPS publishes Glacier Point Road day-hike starts, distances, times, elevation gains, seasonal access, limited water, and absence of dependable return transit.",
      "observation_id": "observation-nps-yosemite-glacier-point-hikes-20260925",
      "observed_at": null,
      "observer": "",
      "retrieved_at": "2026-09-25T00:00:00+00:00",
      "source_id": "source-nps-yosemite-glacier-point-hikes"
    }
  ],
  "record": {
    "locator": "https://www.nps.gov/yose/planyourvisit/glacierhikes.htm",
    "publisher": "National Park Service",
    "source_id": "source-nps-yosemite-glacier-point-hikes"
  },
  "record_type": "source",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.nps.gov/yose/planyourvisit/glacierhikes.htm",
      "publisher": "National Park Service",
      "source_id": "source-nps-yosemite-glacier-point-hikes"
    }
  ]
}