{
  "answerability": "no_direct_claims_published",
  "claims": [],
  "entity": {
    "entity_id": "hydrothermal-area-bumpass-hell",
    "kind": "hydrothermal_area",
    "name": "Bumpass Hell"
  },
  "gap_details": [
    {
      "claims": [
        {
          "claim": {
            "claim_id": "claim-bumpass-hell-basin-route-description",
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              "evidence-bumpass-hell-basin-route-description"
            ],
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              "scope-route-bumpass-hell-trail"
            ],
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            "value": {
              "basin_boardwalk": true,
              "kings_creek_access_alternative": true,
              "most_hikers_return_from_second_overlook": true,
              "second_basin_overlook_route": true,
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              "usual_start": "trailhead-bumpass-hell"
            }
          },
          "evidence": [
            {
              "claim_id": "claim-bumpass-hell-basin-route-description",
              "evidence_id": "evidence-bumpass-hell-basin-route-description",
              "notes": "",
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              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "NPS describes the usual Bumpass Hell hike as a three-mile round trip from the Bumpass Hell parking area: the first mile is mostly flat, the trail then drops into the basin, and a boardwalk provides close views. A second trail skirts the north edge and continues to a second overlook; most hikers return from there. The page also says the basin is accessible by a trail from Kings Creek. Within the same page, the parking area is described as both seven and eight miles from the Southwest Entrance, duration as two hours and 90 minutes, descent as 200 and 300 feet, and surface as packed gravel and hardpacked dirt and rock.",
              "observation_id": "observation-nps-lassen-bumpass-hell-detail-20260923",
              "observed_at": null,
              "observer": "",
              "retrieved_at": "2026-09-23T21:00:00+00:00",
              "source_id": "source-nps-lassen-bumpass-hell-trail"
            }
          ],
          "sources": [
            {
              "locator": "https://www.nps.gov/thingstodo/hikebumpasshell.htm",
              "publisher": "National Park Service",
              "source_id": "source-nps-lassen-bumpass-hell-trail"
            }
          ]
        }
      ],
      "entities": [
        {
          "entity_id": "hydrothermal-area-bumpass-hell",
          "kind": "hydrothermal_area",
          "name": "Bumpass Hell"
        },
        {
          "entity_id": "route-bumpass-hell-trail",
          "kind": "route",
          "name": "Bumpass Hell Trail"
        }
      ],
      "history": [
        {
          "action": "ADD",
          "change_set_id": "wp-20260923-lassen-bumpass-route-graph",
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            "evidence-route-segment-bumpass-trailhead-basin-approach",
            "evidence-route-segment-bumpass-basin-approach-entry",
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            "evidence-bumpass-hell-source-profile-variations"
          ],
          "knowledge_gap_refs": [
            "gap-lassen-bumpass-full-basin-circulation",
            "gap-lassen-bumpass-source-profile-conflicts",
            "gap-lassen-specific-route-topology"
          ],
          "path": "canonical/v0/gaps/gap-lassen-bumpass-full-basin-circulation.json",
          "reason": "Publish the official distance-bearing Bumpass Hell parking-to-basin approach, while preserving boardwalk, alternate-route, and source-profile uncertainty.",
          "record_id": "gap-lassen-bumpass-full-basin-circulation",
          "record_type": "gap",
          "summary": "Add the official distance-bearing Bumpass Hell parking-to-basin approach, preserve source-page profile conflicts, and defer boardwalk and alternate-route choices explicitly."
        }
      ],
      "navigation": {
        "next_id": "gap-lassen-bumpass-source-profile-conflicts",
        "position": 223,
        "previous_id": "gap-las-trampas-corral-booking-product",
        "total": 299
      },
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS describes the usual Bumpass Hell hike as a three-mile round trip from the Bumpass Hell parking area: the first mile is mostly flat, the trail then drops into the basin, and a boardwalk provides close views. A second trail skirts the north edge and continues to a second overlook; most hikers return from there. The page also says the basin is accessible by a trail from Kings Creek. Within the same page, the parking area is described as both seven and eight miles from the Southwest Entrance, duration as two hours and 90 minutes, descent as 200 and 300 feet, and surface as packed gravel and hardpacked dirt and rock.",
          "observation_id": "observation-nps-lassen-bumpass-hell-detail-20260923",
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          "observer": "",
          "retrieved_at": "2026-09-23T21:00:00+00:00",
          "source_id": "source-nps-lassen-bumpass-hell-trail"
        }
      ],
      "record": {
        "gap_id": "gap-lassen-bumpass-full-basin-circulation",
        "question": "What exact boardwalk circulation and Kings Creek alternative should a complete Bumpass Hell visitor traversal use?",
        "reason": "The official dataset supports a connected 1.29564925-mile approach from the Bumpass Hell parking area to the basin entry. Separate boardwalk branches and a trail continuing east share the basin endpoint, while NPS describes a second overlook and a Kings Creek alternative without an unambiguous atomic visitor path in this batch. The published three-mile round-trip profile may include basin circulation not represented by the two approach features, so Wayproof does not force their values to match.",
        "related_ids": [
          "route-bumpass-hell-trail",
          "hydrothermal-area-bumpass-hell",
          "claim-bumpass-hell-basin-route-description"
        ]
      },
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        {
          "record": {
            "entity_id": "route-bumpass-hell-trail",
            "kind": "route",
            "name": "Bumpass Hell Trail"
          },
          "record_id": "route-bumpass-hell-trail",
          "record_type": "entity"
        },
        {
          "record": {
            "entity_id": "hydrothermal-area-bumpass-hell",
            "kind": "hydrothermal_area",
            "name": "Bumpass Hell"
          },
          "record_id": "hydrothermal-area-bumpass-hell",
          "record_type": "entity"
        },
        {
          "record": {
            "claim_id": "claim-bumpass-hell-basin-route-description",
            "evidence_ids": [
              "evidence-bumpass-hell-basin-route-description"
            ],
            "predicate": "published_route_description",
            "spatial_scope_ids": [
              "scope-route-bumpass-hell-trail"
            ],
            "subject_id": "route-bumpass-hell-trail",
            "temporal_scope": null,
            "value": {
              "basin_boardwalk": true,
              "kings_creek_access_alternative": true,
              "most_hikers_return_from_second_overlook": true,
              "second_basin_overlook_route": true,
              "usual_destination": "hydrothermal-area-bumpass-hell",
              "usual_start": "trailhead-bumpass-hell"
            }
          },
          "record_id": "claim-bumpass-hell-basin-route-description",
          "record_type": "claim"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/thingstodo/hikebumpasshell.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-lassen-bumpass-hell-trail"
        }
      ]
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260923-lassen-destinations-route-depth",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/entities/hydrothermal-area-bumpass-hell.json",
      "reason": "Publish official-source Lassen destination identities, named hiking routes, evidenced starts, route profiles, and route-condition rechecks without inventing segment topology.",
      "record_id": "hydrothermal-area-bumpass-hell",
      "record_type": "entity",
      "summary": "Add official-source Lassen destinations, named hiking routes, evidenced trailheads, route profiles, and route-condition rechecks while preserving the remaining segment-topology gap."
    }
  ],
  "journey": [
    {
      "claims": [
        {
          "claim": {
            "claim_id": "claim-lassen-current-conditions-recheck",
            "evidence_ids": [
              "evidence-lassen-current-conditions-recheck"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-lassen-national-park"
            ],
            "subject_id": "park-lassen-volcanic-national-park",
            "temporal_scope": null,
            "value": {
              "required": true,
              "topics": [
                "alerts_and_closures",
                "roads",
                "trails",
                "fire_and_smoke",
                "snow",
                "facilities"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-lassen-current-conditions-recheck",
              "evidence_id": "evidence-lassen-current-conditions-recheck",
              "notes": "",
              "observation_id": "observation-nps-lassen-conditions-20260922",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "The current-conditions page is the operational source for alerts, roads, trails, fire and smoke, snow, facilities, and closures.",
              "observation_id": "observation-nps-lassen-conditions-20260922",
              "observed_at": null,
              "observer": "",
              "retrieved_at": "2026-09-22T19:00:00+00:00",
              "source_id": "source-nps-lassen-conditions"
            }
          ],
          "sources": [
            {
              "locator": "https://www.nps.gov/lavo/planyourvisit/conditions.htm",
              "publisher": "National Park Service",
              "source_id": "source-nps-lassen-conditions"
            }
          ],
          "subject": {
            "entity_id": "park-lassen-volcanic-national-park",
            "kind": "national_park",
            "name": "Lassen Volcanic National Park"
          }
        }
      ],
      "entity": {
        "entity_id": "park-lassen-volcanic-national-park",
        "kind": "national_park",
        "name": "Lassen Volcanic National Park"
      },
      "gaps": [
        {
          "gap_id": "gap-lassen-current-conditions",
          "question": "What road, trail, fire, smoke, snow, facility, and area conditions will apply near departure?",
          "reason": "Dynamic operating conditions are intentionally not frozen; recheck the official NPS current-conditions page near departure.",
          "related_ids": [
            "claim-lassen-current-conditions-recheck"
          ]
        }
      ],
      "relationships": [
        {
          "evidence_ids": [
            "evidence-bumpass-hell-trail-profile"
          ],
          "object_id": "route-bumpass-hell-trail",
          "predicate": "approached_via",
          "relationship_id": "relationship-hydrothermal-area-bumpass-hell-approached-via-route-bumpass-hell-trail",
          "subject_id": "hydrothermal-area-bumpass-hell",
          "temporal_scope": null
        },
        {
          "evidence_ids": [
            "evidence-bumpass-hell-trail-profile"
          ],
          "object_id": "park-lassen-volcanic-national-park",
          "predicate": "traverses",
          "relationship_id": "relationship-route-bumpass-hell-trail-traverses-lassen",
          "subject_id": "route-bumpass-hell-trail",
          "temporal_scope": null
        }
      ],
      "role": "Traversed place"
    }
  ],
  "knowledge_gaps": [
    {
      "gap_id": "gap-lassen-bumpass-full-basin-circulation",
      "question": "What exact boardwalk circulation and Kings Creek alternative should a complete Bumpass Hell visitor traversal use?",
      "reason": "The official dataset supports a connected 1.29564925-mile approach from the Bumpass Hell parking area to the basin entry. Separate boardwalk branches and a trail continuing east share the basin endpoint, while NPS describes a second overlook and a Kings Creek alternative without an unambiguous atomic visitor path in this batch. The published three-mile round-trip profile may include basin circulation not represented by the two approach features, so Wayproof does not force their values to match.",
      "related_ids": [
        "route-bumpass-hell-trail",
        "hydrothermal-area-bumpass-hell",
        "claim-bumpass-hell-basin-route-description"
      ]
    }
  ],
  "reference_evidence": [],
  "relationships": [
    {
      "evidence_ids": [
        "evidence-bumpass-hell-trail-profile"
      ],
      "object_id": "route-bumpass-hell-trail",
      "predicate": "approached_via",
      "relationship_id": "relationship-hydrothermal-area-bumpass-hell-approached-via-route-bumpass-hell-trail",
      "subject_id": "hydrothermal-area-bumpass-hell",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-bumpass-hell-trail-profile"
      ],
      "object_id": "hydrothermal-area-bumpass-hell",
      "predicate": "contains",
      "relationship_id": "relationship-lassen-contains-hydrothermal-area-bumpass-hell",
      "subject_id": "park-lassen-volcanic-national-park",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-bumpass-hell-basin-route-description"
      ],
      "object_id": "hydrothermal-area-bumpass-hell",
      "predicate": "ends_at",
      "relationship_id": "relationship-route-bumpass-hell-trail-ends-at-bumpass-hell",
      "subject_id": "route-bumpass-hell-trail",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-route-segment-bumpass-basin-approach-entry"
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      "object_id": "hydrothermal-area-bumpass-hell",
      "predicate": "ends_at",
      "relationship_id": "relationship-route-segment-bumpass-basin-approach-entry-ends-at",
      "subject_id": "route-segment-bumpass-basin-approach-entry",
      "temporal_scope": null
    }
  ],
  "route_geometry": null,
  "route_geometry_url": null,
  "type": "canonical_entity"
}