National Geographic Sea Bird · 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 Bird",
"source": "cruisemapper",
"start_date": "2026-09-26",
"nights": 7,
"title": "7 nights, one-way from Clarkston WA to Portland OR",
"end_date": "2026-10-03",
"embark_port": "Clarkston WA",
"disembark_port": "Portland OR, Oregon",
"ship_imo": "8966444",
"calls": [
{
"date": "2026-09-26",
"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": "26 Sep",
"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": "2026-09-27",
"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": "27 Sep",
"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": "2026-09-27",
"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": "2026-09-28",
"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": "2026-09-29",
"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": "29 Sep",
"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": "2026-09-29",
"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": "2026-09-30",
"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": "2026-10-01",
"port": "The Dalles OR, Oregon",
"arrival": null,
"departure": null,
"country": "USA",
"locode": null,
"port_source_id": "2787",
"tender": null,
"tender_evidence": [],
"sea_day": false,
"departure_date": null,
"raw_time": "01 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-89cca60a3630df",
"tender_reported": false,
"tender_possible": false
},
{
"date": "2026-10-01",
"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": "2026-10-02",
"port": "Astoria OR, Oregon",
"arrival": null,
"departure": null,
"country": "USA",
"locode": null,
"port_source_id": "414",
"tender": null,
"tender_evidence": [],
"sea_day": false,
"departure_date": null,
"raw_time": "02 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-c004debdd1ac7a",
"tender_reported": false,
"tender_possible": false
},
{
"date": "2026-10-03",
"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": "03 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": "5245851",
"url": "https://www.cruisemapper.com/ships/National-Geographic-Sea-Bird-876?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-6cdde607781dee",
"id": "v-d803762f936940",
"path": "/v/lindblad-expeditions/national-geographic-sea-bird/20260926-20261003",
"pathAliases": []
}