Cascades Rapids
E774689
Cascades Rapids were a historically significant stretch of treacherous whitewater on the Columbia River in the Pacific Northwest, once a major obstacle to navigation before being submerged by dam construction.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Columbia River rapids | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
geographic feature
ⓘ
rapids ⓘ whitewater rapids ⓘ |
| associatedWith | Columbia River Gorge National Scenic Area NERFINISHED ⓘ |
| causeOfSubmergence | construction of Bonneville Dam ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| culturalSignificance |
important salmon fishery
ⓘ
traditional Native American fishing site ⓘ |
| disappearedFromMaps | mid-20th century ⓘ |
| eraOfMajorUse |
19th century
ⓘ
early 20th century ⓘ |
| formedBy | river cutting through resistant rock in Columbia River Gorge ⓘ |
| geologicalType | river rapids ⓘ |
| historicalEvent |
location of early portage railroads and wagon roads
ⓘ
site of portage routes around the rapids ⓘ |
| historicalSignificance |
important site in Pacific Northwest transportation history
ⓘ
major obstacle to navigation on the Columbia River ⓘ |
| locatedIn |
Columbia River
NERFINISHED
ⓘ
Columbia River Gorge NERFINISHED ⓘ Oregon ⓘ Pacific Northwest ⓘ United States of America ⓘ
surface form:
United States
Washington NERFINISHED ⓘ border between Oregon and Washington ⓘ |
| nameOrigin | named for the Cascades of the Columbia ⓘ |
| navigationalHazard |
rocky channel
ⓘ
strong currents ⓘ treacherous whitewater ⓘ |
| navigationSolution |
construction of locks and canal around the rapids
ⓘ
later inundation by dam reservoir ⓘ |
| near |
Cascade Locks, Oregon
NERFINISHED
ⓘ
Stevenson, Washington NERFINISHED ⓘ |
| partOf |
Cascade Locks and Canal historic navigation system
NERFINISHED
ⓘ
historic Columbia River navigation route ⓘ |
| preSubmergenceElevation | approximately river level drop over short distance ⓘ |
| region | Pacific Northwest ⓘ |
| relatedInfrastructure |
Bonneville Dam
NERFINISHED
ⓘ
Cascade Canal NERFINISHED ⓘ Cascade Locks NERFINISHED ⓘ |
| riverSystem | Columbia River system NERFINISHED ⓘ |
| status | submerged ⓘ |
| submergedBy |
Bonneville Dam reservoir
NERFINISHED
ⓘ
Lake Bonneville (Columbia River) NERFINISHED ⓘ |
| submergedSince |
1930s
ⓘ
1938 ⓘ |
| usedBy | Native American peoples for fishing ⓘ |
| wasObstacleFor |
log drives
ⓘ
steamboat navigation ⓘ |
| watercourse | Columbia River NERFINISHED ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Columbia River rapids