National Geographic Sea Lion · Source evidence

Official sources first; otherwise a strict majority of distinct aggregators, then completeness and configured source order. Positive tender evidence from any source is retained. General port guidance does not confirm an individual itinerary call.

{
  "ship": "National Geographic Sea Lion",
  "source": "cruisemapper",
  "start_date": "2026-10-04",
  "nights": 5,
  "title": "5 nights, one-way from Clarkston WA to Portland OR",
  "end_date": "2026-10-09",
  "embark_port": "Clarkston WA",
  "disembark_port": "Portland OR, Oregon",
  "ship_imo": "8966456",
  "calls": [
    {
      "date": "2026-10-04",
      "port": "Clarkston WA, Washington, Lewiston Idaho",
      "arrival": null,
      "departure": null,
      "country": "USA",
      "locode": null,
      "port_source_id": "2281",
      "tender": null,
      "tender_evidence": [],
      "sea_day": false,
      "departure_date": null,
      "raw_time": "04 Oct",
      "sources": [
        "cruisemapper"
      ],
      "scenic_cruising": false,
      "original_port": null,
      "timing_selection": {
        "policy": "official-first; strict majority of distinct aggregators; completeness; configured source order",
        "fields": {},
        "primary_source": null
      },
      "portId": "p-853bea2a90f01d",
      "tender_reported": false,
      "tender_possible": false
    },
    {
      "date": "2026-10-05",
      "port": "Scenic cruising · river",
      "arrival": null,
      "departure": null,
      "country": null,
      "locode": null,
      "port_source_id": null,
      "tender": null,
      "tender_evidence": [],
      "sea_day": true,
      "departure_date": null,
      "raw_time": null,
      "sources": [
        "cruisemapper"
      ],
      "scenic_cruising": true,
      "original_port": "river cruising",
      "timing_selection": {
        "policy": "official-first; strict majority of distinct aggregators; completeness; configured source order",
        "fields": {},
        "primary_source": null
      }
    },
    {
      "date": "2026-10-06",
      "port": "Burbank WA, Washington",
      "arrival": null,
      "departure": null,
      "country": "USA",
      "locode": null,
      "port_source_id": "14531",
      "tender": null,
      "tender_evidence": [],
      "sea_day": false,
      "departure_date": null,
      "raw_time": "06 Oct",
      "sources": [
        "cruisemapper"
      ],
      "scenic_cruising": false,
      "original_port": null,
      "timing_selection": {
        "policy": "official-first; strict majority of distinct aggregators; completeness; configured source order",
        "fields": {},
        "primary_source": null
      },
      "portId": "p-810187328232b8",
      "tender_reported": false,
      "tender_possible": false
    },
    {
      "date": "2026-10-06",
      "port": "At sea",
      "arrival": null,
      "departure": null,
      "country": null,
      "locode": null,
      "port_source_id": null,
      "tender": null,
      "tender_evidence": [],
      "sea_day": true,
      "departure_date": null,
      "raw_time": null,
      "sources": [
        "cruisemapper"
      ],
      "scenic_cruising": false,
      "original_port": "land tour, train/bus travel",
      "timing_selection": null
    },
    {
      "date": "2026-10-07",
      "port": "Columbia River Gorge, Washington-Oregon",
      "arrival": null,
      "departure": null,
      "country": null,
      "locode": null,
      "port_source_id": null,
      "tender": null,
      "tender_evidence": [],
      "sea_day": false,
      "departure_date": null,
      "raw_time": null,
      "sources": [
        "cruisemapper"
      ],
      "scenic_cruising": false,
      "original_port": null,
      "timing_selection": {
        "policy": "official-first; strict majority of distinct aggregators; completeness; configured source order",
        "fields": {},
        "primary_source": null
      },
      "portId": "p-bc5a17d066ce65",
      "tender_reported": false,
      "tender_possible": false
    },
    {
      "date": "2026-10-08",
      "port": "Bonneville Dam, Oregon-Washington",
      "arrival": null,
      "departure": null,
      "country": null,
      "locode": null,
      "port_source_id": null,
      "tender": null,
      "tender_evidence": [],
      "sea_day": false,
      "departure_date": null,
      "raw_time": null,
      "sources": [
        "cruisemapper"
      ],
      "scenic_cruising": false,
      "original_port": null,
      "timing_selection": {
        "policy": "official-first; strict majority of distinct aggregators; completeness; configured source order",
        "fields": {},
        "primary_source": null
      },
      "portId": "p-b84f4ee115732d",
      "tender_reported": false,
      "tender_possible": false
    },
    {
      "date": "2026-10-08",
      "port": "Scenic cruising · river",
      "arrival": null,
      "departure": null,
      "country": null,
      "locode": null,
      "port_source_id": null,
      "tender": null,
      "tender_evidence": [],
      "sea_day": true,
      "departure_date": null,
      "raw_time": null,
      "sources": [
        "cruisemapper"
      ],
      "scenic_cruising": true,
      "original_port": "river cruising",
      "timing_selection": {
        "policy": "official-first; strict majority of distinct aggregators; completeness; configured source order",
        "fields": {},
        "primary_source": null
      }
    },
    {
      "date": "2026-10-09",
      "port": "Portland OR, Oregon",
      "arrival": null,
      "departure": null,
      "country": "USA",
      "locode": null,
      "port_source_id": "4662",
      "tender": null,
      "tender_evidence": [],
      "sea_day": false,
      "departure_date": null,
      "raw_time": "09 Oct",
      "sources": [
        "cruisemapper"
      ],
      "scenic_cruising": false,
      "original_port": null,
      "timing_selection": {
        "policy": "official-first; strict majority of distinct aggregators; completeness; configured source order",
        "fields": {},
        "primary_source": null
      },
      "portId": "p-40a304304354ee",
      "tender_reported": false,
      "tender_possible": false
    }
  ],
  "source_id": "5245876",
  "url": "https://www.cruisemapper.com/ships/National-Geographic-Sea-Lion-877?tab=itinerary",
  "sources": [
    "cruisemapper"
  ],
  "field_sources": {
    "title": "cruisemapper",
    "nights": "cruisemapper",
    "end_date": "cruisemapper",
    "embark_port": "cruisemapper",
    "disembark_port": "cruisemapper",
    "ship_imo": "cruisemapper",
    "url": "cruisemapper",
    "source_id": "cruisemapper"
  },
  "shipId": "s-a6efbc71dab794",
  "id": "v-287a9b12718c49",
  "path": "/v/lindblad-expeditions/national-geographic-sea-lion/20261004-20261009",
  "pathAliases": []
}