Columbia River Bar
E460946
The Columbia River Bar is a notoriously dangerous sandbar and shipping passage at the mouth of the Columbia River, often called the "Graveyard of the Pacific" due to its treacherous waves and frequent shipwrecks.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Columbia River Bar maritime history | 1 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
hazardous waterway
ⓘ
sandbar ⓘ shipping passage ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasCause |
interaction of river outflow and ocean swells
ⓘ
shifting sediment at river mouth ⓘ winter storms in the North Pacific ⓘ |
| hasFacility | Coast Guard Station Cape Disappointment NERFINISHED ⓘ |
| hasHistory |
long record of shipwrecks
ⓘ
numerous 19th-century maritime disasters ⓘ ongoing dredging to maintain shipping channel ⓘ |
| hasRisk |
capsizing
ⓘ
loss of life ⓘ ship grounding ⓘ |
| hazardType |
bar crossing
ⓘ
maritime navigation hazard ⓘ |
| knownFor |
dangerous crossing for ships
ⓘ
frequent shipwrecks ⓘ rapidly changing sea conditions ⓘ shallow shifting sandbars ⓘ strong currents ⓘ treacherous waves ⓘ |
| locatedIn |
Pacific Ocean
ⓘ
border between Oregon and Washington ⓘ mouth of the Columbia River ⓘ |
| monitoredBy | United States Coast Guard NERFINISHED ⓘ |
| navigationAid |
buoy system
ⓘ
lighthouses near the river mouth ⓘ |
| near |
Astoria, Oregon
NERFINISHED
ⓘ
Cape Disappointment NERFINISHED ⓘ Clatsop Spit NERFINISHED ⓘ Ilwaco, Washington NERFINISHED ⓘ |
| nickname | Graveyard of the Pacific NERFINISHED ⓘ |
| partOf |
Columbia River
NERFINISHED
ⓘ
Pacific Northwest NERFINISHED ⓘ |
| region | Pacific Northwest coast of the United States ⓘ |
| regulatedBy | United States Coast Guard navigation rules ⓘ |
| requires | specialized bar pilots for large vessels ⓘ |
| safetyMeasure |
bar closure during extreme conditions
ⓘ
mandatory pilotage for many large vessels ⓘ |
| servedBy | Columbia River Bar Pilots NERFINISHED ⓘ |
| usedBy |
commercial shipping
ⓘ
fishing vessels ⓘ recreational boats ⓘ |
| weatherInfluence |
North Pacific storms
ⓘ
river discharge levels ⓘ tidal cycles ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Columbia River Bar maritime history