Western Cascades

E117957

The Western Cascades are the older, heavily eroded western portion of the Cascade Range in the Pacific Northwest, characterized by deeply dissected volcanic terrain and dense forested landscapes.

All labels observed (6)

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf mountain range
physiographic province
borderedBy High Cascades to the east
linked to: High Cascades

Willamette Valley to the west
characterizedBy deeply dissected valleys
dense forests
heavily eroded terrain
steep slopes
volcanic rocks
climate high precipitation
maritime climate
contains old volcanic centers
country United States
dominantTree Douglas-fir
western hemlock
western redcedar
drainedBy Clackamas River
McKenzie River
North Umpqua River
linked to: Umpqua River

Santiam River
Willamette River tributaries
erosionalState highly dissected
formedBy subduction-related volcanism
geologicalAge older than High Cascades
geologicPeriod Eocene
linked to: Paleogene

Miocene
Oligocene
linked to: Oligocene Epoch
hasProtectedArea Mount Hood National Forest
Umpqua National Forest
Willamette National Forest
hasRelief deeply incised river canyons
hasRockType andesite
basalt
tuff
volcanic breccia
highestElevationsComparedTo lower than High Cascades
landUse commercial forestry
recreation
locatedIn Oregon
Pacific Northwest
United States
Washington (state)
linked to: Washington
mountainSystem Cascade Range
orogeny Cascade Volcanic Arc
partOf Cascade Range
regionType Western Cascades physiographic province of Oregon
linked to: Western Cascades
separatedFrom High Cascades
tectonicSetting Cascadia subduction zone
vegetationType coniferous forest

How these facts were elicited

Referenced by (10)

Full triples — surface form annotated when it differs from this entity's canonical label.

Cascade Range contains Western Cascades
Collier Glacier partOf Oregon Cascades glacial system
linked to: Western Cascades
Cascade Mountains (part) region Western Cascades of Oregon
linked to: Western Cascades
High Cascades boundedBy Western Cascades
Western Cascades regionType Western Cascades physiographic province of Oregon
linked to: Western Cascades
Molala people traditionalTerritory western Cascade Range
linked to: Western Cascades
Wahkeena Creek locatedInEcoregion Western Cascades
North Ridge route locatedIn Oregon Cascades
linked to: Western Cascades
North Ridge route isClassicOfArea Oregon Cascades
linked to: Western Cascades
Mount Thielsen Wilderness locatedIn Oregon Cascades
linked to: Western Cascades