{
  "answerability": "evidence_backed_claims_available",
  "claims": [
    {
      "claim": {
        "claim_id": "claim-yosemite-campground-arrival-departure-policy",
        "evidence_ids": [
          "evidence-yosemite-campground-arrival-departure-policy"
        ],
        "predicate": "arrival_departure_policy",
        "spatial_scope_ids": [
          "scope-yosemite-developed-campgrounds"
        ],
        "subject_id": "campgrounds-yosemite-developed",
        "temporal_scope": null,
        "value": {
          "arrival_after_check_in_allowed": true,
          "check_in": "12:00",
          "checkout": "12:00",
          "missed_deadline_consequence": "reservation cancelled",
          "reservation_check_in_deadline_after_first_night": "10:00"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-yosemite-campground-arrival-departure-policy",
          "evidence_id": "evidence-yosemite-campground-arrival-departure-policy",
          "notes": "",
          "observation_id": "observation-nps-yosemite-campground-shared-operations-20260926",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS campground regulations publish noon check-in and checkout, the next-morning no-show cutoff, campsite and overflow parking rules, wastewater and utility rules, and campground hammock, clothesline, and slackline restrictions.",
          "observation_id": "observation-nps-yosemite-campground-shared-operations-20260926",
          "observed_at": "2025-08-01T00:00:00+00:00",
          "observer": "National Park Service",
          "retrieved_at": "2026-09-26T00:00:00+00:00",
          "source_id": "source-nps-yosemite-camp-regulations"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/campregs.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-camp-regulations"
        }
      ],
      "subject": {
        "entity_id": "campgrounds-yosemite-developed",
        "kind": "campground_collection",
        "name": "Yosemite Developed Campgrounds"
      }
    },
    {
      "claim": {
        "claim_id": "claim-yosemite-campground-campfires",
        "evidence_ids": [
          "evidence-yosemite-campground-campfires"
        ],
        "predicate": "campfire_policy",
        "spatial_scope_ids": [
          "scope-yosemite-developed-campgrounds"
        ],
        "subject_id": "campgrounds-yosemite-developed",
        "temporal_scope": null,
        "value": {
          "general": "allowed in open campgrounds unless fire restrictions are in effect",
          "requires_current_fire_restriction_check": true,
          "yosemite_valley_and_hodgdon_may_through_september": "wood fires only 17:00-22:00"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-yosemite-campground-campfires",
          "evidence_id": "evidence-yosemite-campground-campfires",
          "notes": "",
          "observation_id": "observation-nps-yosemite-camp-regulations-20260922",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS campground rules require continuous proper food storage, limit ordinary campsites to six people and generally two motor vehicles, and allow camping or vehicle sleeping only in designated campsites. Seasonal fire, pet, quiet-hour, generator, and stay-limit rules also apply.",
          "observation_id": "observation-nps-yosemite-camp-regulations-20260922",
          "observed_at": "2025-08-01T00:00:00+00:00",
          "observer": "NPS",
          "retrieved_at": "2026-09-22T18:00:00+00:00",
          "source_id": "source-nps-yosemite-camp-regulations"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/campregs.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-camp-regulations"
        }
      ],
      "subject": {
        "entity_id": "campgrounds-yosemite-developed",
        "kind": "campground_collection",
        "name": "Yosemite Developed Campgrounds"
      }
    },
    {
      "claim": {
        "claim_id": "claim-yosemite-developed-campground-count",
        "evidence_ids": [
          "evidence-yosemite-developed-campground-count"
        ],
        "predicate": "campground_count",
        "spatial_scope_ids": [
          "scope-yosemite-developed-campgrounds"
        ],
        "subject_id": "campgrounds-yosemite-developed",
        "temporal_scope": null,
        "value": 13
      },
      "evidence": [
        {
          "claim_id": "claim-yosemite-developed-campground-count",
          "evidence_id": "evidence-yosemite-developed-campground-count",
          "notes": "",
          "observation_id": "observation-nps-yosemite-campgrounds-20260922",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS states Yosemite has 13 developed campgrounds, all on reservation systems from April through October; release timing differs by campground and current availability must be checked through Recreation.gov.",
          "observation_id": "observation-nps-yosemite-campgrounds-20260922",
          "observed_at": "2026-09-11T00:00:00+00:00",
          "observer": "NPS",
          "retrieved_at": "2026-09-22T18:00:00+00:00",
          "source_id": "source-nps-yosemite-campgrounds"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/camping.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-campgrounds"
        }
      ],
      "subject": {
        "entity_id": "campgrounds-yosemite-developed",
        "kind": "campground_collection",
        "name": "Yosemite Developed Campgrounds"
      }
    },
    {
      "claim": {
        "claim_id": "claim-yosemite-campground-parking-policy",
        "evidence_ids": [
          "evidence-yosemite-campground-parking-policy"
        ],
        "predicate": "campground_parking_policy",
        "spatial_scope_ids": [
          "scope-yosemite-developed-campgrounds"
        ],
        "subject_id": "campgrounds-yosemite-developed",
        "temporal_scope": null,
        "value": {
          "additional_parking": "near each campground at no additional charge",
          "additional_parking_can_be_very_limited": true,
          "maximum_motor_vehicles_per_campsite": 2,
          "site_specific_one_vehicle_limits_possible": true,
          "trailers_do_not_count_if_they_fit_on_parking_pad": true,
          "vehicles_must_fit_on_parking_pad": true
        }
      },
      "evidence": [
        {
          "claim_id": "claim-yosemite-campground-parking-policy",
          "evidence_id": "evidence-yosemite-campground-parking-policy",
          "notes": "",
          "observation_id": "observation-nps-yosemite-campground-shared-operations-20260926",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS campground regulations publish noon check-in and checkout, the next-morning no-show cutoff, campsite and overflow parking rules, wastewater and utility rules, and campground hammock, clothesline, and slackline restrictions.",
          "observation_id": "observation-nps-yosemite-campground-shared-operations-20260926",
          "observed_at": "2025-08-01T00:00:00+00:00",
          "observer": "National Park Service",
          "retrieved_at": "2026-09-26T00:00:00+00:00",
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        }
      ],
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        {
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          "publisher": "National Park Service",
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        }
      ],
      "subject": {
        "entity_id": "campgrounds-yosemite-developed",
        "kind": "campground_collection",
        "name": "Yosemite Developed Campgrounds"
      }
    },
    {
      "claim": {
        "claim_id": "claim-yosemite-campground-showers",
        "evidence_ids": [
          "evidence-yosemite-campground-showers"
        ],
        "predicate": "campground_showers",
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          "scope-yosemite-developed-campgrounds"
        ],
        "subject_id": "campgrounds-yosemite-developed",
        "temporal_scope": null,
        "value": {
          "available_in_campgrounds": false,
          "paid_alternative": "Curry Village pool showerhouse"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-yosemite-campground-showers",
          "evidence_id": "evidence-yosemite-campground-showers",
          "notes": "",
          "observation_id": "observation-nps-yosemite-campground-inventory-20260922",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The official 2026 campground table identifies 13 developed campgrounds and publishes their tentative operating dates, elevation, vehicle limits, reservation timing, daily fee, site count, accessible-site count, water service, and operational notes.",
          "observation_id": "observation-nps-yosemite-campground-inventory-20260922",
          "observed_at": "2026-09-17T00:00:00+00:00",
          "observer": "National Park Service",
          "retrieved_at": "2026-09-22T00:00:00+00:00",
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        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/campgrounds.htm",
          "publisher": "National Park Service",
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        }
      ],
      "subject": {
        "entity_id": "campgrounds-yosemite-developed",
        "kind": "campground_collection",
        "name": "Yosemite Developed Campgrounds"
      }
    },
    {
      "claim": {
        "claim_id": "claim-yosemite-campground-camping-limit",
        "evidence_ids": [
          "evidence-yosemite-campground-camping-limit"
        ],
        "predicate": "camping_stay_limit",
        "spatial_scope_ids": [
          "scope-yosemite-developed-campgrounds"
        ],
        "subject_id": "campgrounds-yosemite-developed",
        "temporal_scope": null,
        "value": {
          "calendar_year_nights": 30,
          "maximum_of_seasonal_nights_in_yosemite_valley_or_wawona": 7,
          "may_1_through_september_15_nights": 14
        }
      },
      "evidence": [
        {
          "claim_id": "claim-yosemite-campground-camping-limit",
          "evidence_id": "evidence-yosemite-campground-camping-limit",
          "notes": "",
          "observation_id": "observation-nps-yosemite-camp-regulations-20260922",
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        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS campground rules require continuous proper food storage, limit ordinary campsites to six people and generally two motor vehicles, and allow camping or vehicle sleeping only in designated campsites. Seasonal fire, pet, quiet-hour, generator, and stay-limit rules also apply.",
          "observation_id": "observation-nps-yosemite-camp-regulations-20260922",
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          "retrieved_at": "2026-09-22T18:00:00+00:00",
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      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/campregs.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-camp-regulations"
        }
      ],
      "subject": {
        "entity_id": "campgrounds-yosemite-developed",
        "kind": "campground_collection",
        "name": "Yosemite Developed Campgrounds"
      }
    },
    {
      "claim": {
        "claim_id": "claim-yosemite-campground-hookups",
        "evidence_ids": [
          "evidence-yosemite-campground-hookups"
        ],
        "predicate": "campsite_hookups",
        "spatial_scope_ids": [
          "scope-yosemite-developed-campgrounds"
        ],
        "subject_id": "campgrounds-yosemite-developed",
        "temporal_scope": null,
        "value": {
          "electrical": false,
          "sewer": false,
          "water": false
        }
      },
      "evidence": [
        {
          "claim_id": "claim-yosemite-campground-hookups",
          "evidence_id": "evidence-yosemite-campground-hookups",
          "notes": "",
          "observation_id": "observation-nps-yosemite-campground-inventory-20260922",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The official 2026 campground table identifies 13 developed campgrounds and publishes their tentative operating dates, elevation, vehicle limits, reservation timing, daily fee, site count, accessible-site count, water service, and operational notes.",
          "observation_id": "observation-nps-yosemite-campground-inventory-20260922",
          "observed_at": "2026-09-17T00:00:00+00:00",
          "observer": "National Park Service",
          "retrieved_at": "2026-09-22T00:00:00+00:00",
          "source_id": "source-nps-yosemite-campground-inventory-2026"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/campgrounds.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-campground-inventory-2026"
        }
      ],
      "subject": {
        "entity_id": "campgrounds-yosemite-developed",
        "kind": "campground_collection",
        "name": "Yosemite Developed Campgrounds"
      }
    },
    {
      "claim": {
        "claim_id": "claim-yosemite-campground-dump-stations",
        "evidence_ids": [
          "evidence-yosemite-campground-dump-stations"
        ],
        "predicate": "dump_station_locations",
        "spatial_scope_ids": [
          "scope-yosemite-developed-campgrounds"
        ],
        "subject_id": "campgrounds-yosemite-developed",
        "temporal_scope": null,
        "value": {
          "all_year": [
            "Upper Pines Campground"
          ],
          "summer": [
            "near Wawona Campground",
            "near Tuolumne Meadows Campground"
          ],
          "tuolumne_2026_status": "closed beginning September 8 until further notice"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-yosemite-campground-dump-stations",
          "evidence_id": "evidence-yosemite-campground-dump-stations",
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          "observation_id": "observation-nps-yosemite-campground-inventory-20260922",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The official 2026 campground table identifies 13 developed campgrounds and publishes their tentative operating dates, elevation, vehicle limits, reservation timing, daily fee, site count, accessible-site count, water service, and operational notes.",
          "observation_id": "observation-nps-yosemite-campground-inventory-20260922",
          "observed_at": "2026-09-17T00:00:00+00:00",
          "observer": "National Park Service",
          "retrieved_at": "2026-09-22T00:00:00+00:00",
          "source_id": "source-nps-yosemite-campground-inventory-2026"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/campgrounds.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-campground-inventory-2026"
        }
      ],
      "subject": {
        "entity_id": "campgrounds-yosemite-developed",
        "kind": "campground_collection",
        "name": "Yosemite Developed Campgrounds"
      }
    },
    {
      "claim": {
        "claim_id": "claim-yosemite-campground-food-storage",
        "evidence_ids": [
          "evidence-yosemite-campground-food-storage"
        ],
        "predicate": "food_storage",
        "spatial_scope_ids": [
          "scope-yosemite-developed-campgrounds"
        ],
        "subject_id": "campgrounds-yosemite-developed",
        "temporal_scope": null,
        "value": {
          "required": "24 hours per day"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-yosemite-campground-food-storage",
          "evidence_id": "evidence-yosemite-campground-food-storage",
          "notes": "",
          "observation_id": "observation-nps-yosemite-camp-regulations-20260922",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS campground rules require continuous proper food storage, limit ordinary campsites to six people and generally two motor vehicles, and allow camping or vehicle sleeping only in designated campsites. Seasonal fire, pet, quiet-hour, generator, and stay-limit rules also apply.",
          "observation_id": "observation-nps-yosemite-camp-regulations-20260922",
          "observed_at": "2025-08-01T00:00:00+00:00",
          "observer": "NPS",
          "retrieved_at": "2026-09-22T18:00:00+00:00",
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        }
      ],
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        {
          "locator": "https://www.nps.gov/yose/planyourvisit/campregs.htm",
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        }
      ],
      "subject": {
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        "kind": "campground_collection",
        "name": "Yosemite Developed Campgrounds"
      }
    },
    {
      "claim": {
        "claim_id": "claim-yosemite-campground-generator-hours",
        "evidence_ids": [
          "evidence-yosemite-campground-generator-hours"
        ],
        "predicate": "generator_hours",
        "spatial_scope_ids": [
          "scope-yosemite-developed-campgrounds"
        ],
        "subject_id": "campgrounds-yosemite-developed",
        "temporal_scope": null,
        "value": [
          "07:00-09:00",
          "12:00-14:00",
          "17:00-19:00"
        ]
      },
      "evidence": [
        {
          "claim_id": "claim-yosemite-campground-generator-hours",
          "evidence_id": "evidence-yosemite-campground-generator-hours",
          "notes": "",
          "observation_id": "observation-nps-yosemite-camp-regulations-20260922",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS campground rules require continuous proper food storage, limit ordinary campsites to six people and generally two motor vehicles, and allow camping or vehicle sleeping only in designated campsites. Seasonal fire, pet, quiet-hour, generator, and stay-limit rules also apply.",
          "observation_id": "observation-nps-yosemite-camp-regulations-20260922",
          "observed_at": "2025-08-01T00:00:00+00:00",
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          "retrieved_at": "2026-09-22T18:00:00+00:00",
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        }
      ],
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        {
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        }
      ],
      "subject": {
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        "kind": "campground_collection",
        "name": "Yosemite Developed Campgrounds"
      }
    },
    {
      "claim": {
        "claim_id": "claim-yosemite-campground-group-camping",
        "evidence_ids": [
          "evidence-yosemite-campground-group-camping"
        ],
        "predicate": "group_camping_policy",
        "spatial_scope_ids": [
          "scope-yosemite-developed-campgrounds"
        ],
        "subject_id": "campgrounds-yosemite-developed",
        "temporal_scope": null,
        "value": {
          "nearby_vehicle_maximum": 5,
          "normally_available_at": [
            "Wawona Campground",
            "Hodgdon Meadow Campground",
            "Bridalveil Creek Campground",
            "Tuolumne Meadows Campground"
          ],
          "party_size_maximum": 30,
          "party_size_minimum": 13,
          "reservation_required": true,
          "tent_only": true
        }
      },
      "evidence": [
        {
          "claim_id": "claim-yosemite-campground-group-camping",
          "evidence_id": "evidence-yosemite-campground-group-camping",
          "notes": "",
          "observation_id": "observation-nps-yosemite-campground-inventory-20260922",
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        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The official 2026 campground table identifies 13 developed campgrounds and publishes their tentative operating dates, elevation, vehicle limits, reservation timing, daily fee, site count, accessible-site count, water service, and operational notes.",
          "observation_id": "observation-nps-yosemite-campground-inventory-20260922",
          "observed_at": "2026-09-17T00:00:00+00:00",
          "observer": "National Park Service",
          "retrieved_at": "2026-09-22T00:00:00+00:00",
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        }
      ],
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        {
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          "publisher": "National Park Service",
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        }
      ],
      "subject": {
        "entity_id": "campgrounds-yosemite-developed",
        "kind": "campground_collection",
        "name": "Yosemite Developed Campgrounds"
      }
    },
    {
      "claim": {
        "claim_id": "claim-yosemite-campground-horse-camping",
        "evidence_ids": [
          "evidence-yosemite-campground-horse-camping"
        ],
        "predicate": "horse_camping_policy",
        "spatial_scope_ids": [
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        ],
        "subject_id": "campgrounds-yosemite-developed",
        "temporal_scope": null,
        "value": {
          "reservation_required": true,
          "summer_locations": [
            "Wawona Campground",
            "Bridalveil Creek Campground",
            "Tuolumne Meadows Campground"
          ]
        }
      },
      "evidence": [
        {
          "claim_id": "claim-yosemite-campground-horse-camping",
          "evidence_id": "evidence-yosemite-campground-horse-camping",
          "notes": "",
          "observation_id": "observation-nps-yosemite-campground-inventory-20260922",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The official 2026 campground table identifies 13 developed campgrounds and publishes their tentative operating dates, elevation, vehicle limits, reservation timing, daily fee, site count, accessible-site count, water service, and operational notes.",
          "observation_id": "observation-nps-yosemite-campground-inventory-20260922",
          "observed_at": "2026-09-17T00:00:00+00:00",
          "observer": "National Park Service",
          "retrieved_at": "2026-09-22T00:00:00+00:00",
          "source_id": "source-nps-yosemite-campground-inventory-2026"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/campgrounds.htm",
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          "source_id": "source-nps-yosemite-campground-inventory-2026"
        }
      ],
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