Northwest U.S. Coast Ranges

Range TypeBogus mountain grouping for this site
Highest PointMount Eddy (9025 ft/2751 m)
CountriesUnited States
States/ProvincesCalifornia (50%), Oregon (31%), Washington (18%)
(numbers are approximate percentage of range area)
Area51,709 sq mi / 133,927 sq km
Area may include lowland areas
Extent730 mi / 1,175 km North-South
163 mi / 262 km East-West
Center Lat/Long43° 6' N; 123° 54' W
Map LinkMicrosoft Bing Map

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The Northwest Coast Ranges have very clear boundaries. The northern and southern edges are well defined by two great ocean inlets, the Strait of Juan de Fuca to the north and San Francisco Bay to the south. The eastern edge is the continuous lowland trench used by Interstate 5--the Sacramento Valley, the Willamette Valley, the Puget Sound lowlands, and the connecting valleys. To the west, the Northwest Coast Ranges rise almost directly out of the Pacific Ocean for their entire length.

By far the most alpine and spectacular individual range in this grab-bag is the Olympic Mountains of Washington, a knot of dense rainforest and glacier-mantled peaks. Most of the Coast Range of Oregon and California is relatively low but rugged, well-forested terrain, occasionally breaking out of the trees for nice peaks like the Trinity Alps.

Map of Northwest U.S. Coast Ranges
Click on red triangle icons for links to other ranges.

Note: Range borders shown on map are an approximation and are not authoritative.
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Other Ranges: To go to pages for other ranges either click on the map above, or on range names in the hierarchy snapshot below, which show the parent, siblings, and children of the Northwest U.S. Coast Ranges.
Pacific RangesLevel 2 (Parent)
         Northwest Coast IslandsLevel 3 (Sibling)
         Coast MountainsLevel 3 (Sibling)
         Northwest U.S. Coast RangesLevel 3
                 Olympic MountainsLevel 4 (Child)
                 Washington Coastal HillsLevel 4 (Child)
                 Oregon Coast RangeLevel 4 (Child)
                 Klamath MountainsLevel 4 (Child)
                 Northern California Coast RangeLevel 4 (Child)
         Central and Southern California RangesLevel 3 (Sibling)
         Baja CaliforniaLevel 3 (Sibling)
         Cascade RangeLevel 3 (Sibling)
         Sierra NevadaLevel 3 (Sibling)

Major Peaks of the Northwest U.S. Coast Ranges

Ten Highest Peaks
RankPeak NameftmRange4
1.Mount Eddy90252751Klamath Mountains
2.Thompson Peak89942741Klamath Mountains
3.Mount Hilton89342723Klamath Mountains
4.Caesar Peak89202719Klamath Mountains
5.Sawtooth Mountain88912710Klamath Mountains
6.Caribou Mountain8560+2609+Klamath Mountains
7.China Mountain85512606Klamath Mountains
8.Gibson Peak8399+2560+Klamath Mountains
9.Boulder Peak82992530Klamath Mountains
10.Russian Peak81902496Klamath Mountains
Sub-peaks are excluded from this list. List may not be complete, since only summits in the PBC Database are included.
Child Range High Points
RankPeak NameftmRange4
1.Mount Eddy90252751Klamath Mountains
2.South Yolla Bolly Mountain80942467Northern California Coast Range
3.Mount Olympus79692429Olympic Mountains
4.Mount Bolivar43191316Oregon Coast Range
5.Boistfort Peak3120+951+Washington Coastal Hills

Photos of Peaks in the Northwest U.S. Coast Ranges

Boulder Peak
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Boulder Peak rises above Lower Wright Lake. Photo by Ken Jones.
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Mount Olympus

Mount Olympus rises spectacularly above the Blue Glacier (1992-08-16).
Mount Deception
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Mount Deception, second highest peak in the Olympic Mountains, rises steeply above Royal Basin. Photo by Grant Myers (2011-07-02).
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Mount Stone

The summit block of Mount Stone is in deep shadow in this view from the southwest (1995-07-30).
Mount Angeles

Rocky Mount Angeles is plainly visible from the Hurricane Ridge Road (1991-08-21).
Hurricane Hill

Gentle Hurricane Hill is reached by a paved trail from the end of the Hurricane Ridge Road (1991-08-21).
Cobb Mountain-Southwest Peak

The highest point in Sonoma County is this low, partly logged hill of low trees, seen here while descending from the main summit of Cobb Mountain (2001-12-11).
Mount Saint Helena
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on Mt Tam (2013-04-28). Photo by Shawn Burrell.
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Peak 480
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A summit only a peakbagger could love: Peak 480 on the Kamilche Valley quad (2009-04-10). Photo by Ken Jones.
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