King County topographic map

The Mount St. Helens major eruption of May 18, 1980 remains the deadliest and most economically destructive volcanic event in U.S. history. Fifty-seven people were killed; 200 homes, 47 bridges, 15 miles (24 km) of railways, and 185 miles (298 km) of highway were destroyed. A massive debris avalanche,…

Average elevation: 2,096 m

Average elevation: 0 m

Average elevation: 55 m

With notable local relief, Mount Olympus ascends over 2,100 m (6,900 ft) from the 293 m (961 ft) elevation confluence of the Hoh River with Glacier Creek in only 8.8 km (5.5 mi). Mount Olympus has 2,386 m (7,828 ft) of prominence, ranking 5th in the state of Washington.

Average elevation: 1,934 m

Average elevation: 597 m

Average elevation: 58 m

Stampede Pass (elevation 3,672 feet (1,119 m)) is a mountain pass in the northwest United States, through the Cascade Range in Washington. Southeast of Seattle and east of Tacoma, its importance to transportation lies almost entirely with railroading, as no paved roads cross it. It is approximately twelve…

Average elevation: 1,135 m

Average elevation: 74 m

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Average elevation: 44 m

Average elevation: 64 m

Lake River, a "slow, flat slough of the Columbia River", loses only 1 foot (30 cm) in elevation over its entire 11-mile (18 km) course. It flows north, roughly parallel to the Columbia until curving slightly northwest to join it. At times, tidal fluctuations and high flows along the Columbia cause Lake River…

Average elevation: 35 m

Average elevation: 909 m

Average elevation: 548 m

Average elevation: 30 m

Average elevation: 1,273 m

Cathedral Rock is an intrusive andesite volcanic complex. The Alpine Lakes Wilderness features some of the most rugged topography in the Cascade Range with craggy peaks and ridges, deep glacial valleys, and granite walls spotted with over 700 mountain lakes. Geological events occurring many years ago created…

Average elevation: 1,547 m

Average elevation: 825 m

Average elevation: 63 m

The Mount St. Helens major eruption of May 18, 1980 is currently the most economically destructive volcanic event in U.S. history. Fifty-seven people were killed; 200 homes, 47 bridges, 15 miles (24 km) of railways, and 185 miles (298 km) of highway were destroyed. A massive debris avalanche, triggered by a…

Average elevation: 2,096 m

Despite its elevation of 10,541 feet (3,213 m), Glacier Peak is a small stratovolcano. Its relatively high summit is a consequence of its location atop a high ridge, but its volcanic portion extends only 1,600–3,200 feet (500–1,000 m) above the underlying ridge. Another Cascade Arc volcano with similar…

Average elevation: 2,656 m

Average elevation: 50 m

Average elevation: 241 m

Average elevation: 58 m

Average elevation: 688 m

Hot Springs is located east of Enumclaw and just west of Lester, along the Green River and BNSF Railway line. Its elevation is 1512 feet (460m) above sea level.

Average elevation: 588 m

Average elevation: 265 m

Average elevation: 667 m

Average elevation: 361 m

Average elevation: 793 m

Average elevation: 167 m

Average elevation: 18 m

Average elevation: 114 m

Average elevation: 47 m

Average elevation: 1,206 m

Average elevation: 321 m

Average elevation: 16 m

Average elevation: 9 m

Average elevation: 9 m

Average elevation: 404 m

Average elevation: 442 m

Average elevation: 94 m

Average elevation: 77 m

Average elevation: 1,254 m

Average elevation: 115 m

Average elevation: 84 m

Average elevation: 42 m

Average elevation: 93 m

Average elevation: 1,012 m

Average elevation: 503 m

Average elevation: 185 m

Average elevation: 88 m

Average elevation: 32 m

Average elevation: 86 m

Average elevation: 86 m

Average elevation: 847 m

Average elevation: 15 m

Average elevation: 20 m

Average elevation: 58 m

Average elevation: 725 m

Average elevation: 2,146 m

Ruby Mountain is a prominent 7,412-foot (2,259-metre) mountain summit located in the North Cascades Range of Washington state. It is situated in Ross Lake National Recreation Area which is part of the North Cascades National Park Complex. The Diablo Lake Overlook along the North Cascades Highway is at the foot…

Average elevation: 1,731 m

Average elevation: 104 m

The mountain is home to diverse ecological zones, ranging from dense lower-elevation forests dominated by Douglas fir and western hemlock on its western slopes to drier ponderosa pine forests on its eastern slopes. These ecosystems support a rich array of flora and fauna, including large mammals like Roosevelt…

Average elevation: 3,235 m

Average elevation: 385 m

Mica Peak is the name of two separate mountain summits in the United States located approximately 5.49 miles (9 km) apart; one in Spokane County, Washington and the other in Kootenai County, Idaho. The two peaks are located along the same ridge, which separates the Spokane Valley and Rathdrum Prairie from the…

Average elevation: 1,311 m

Adams is one of the long-lived volcanoes in the Cascade Range, with minor activity beginning 900,000 years ago and major cone building activity beginning 520,000 years ago. The whole mountain has been completely eroded by glaciers to an elevation of 8,200 feet (2,500 m) twice during its lifetime. The current…

Average elevation: 3,235 m

Average elevation: 8 m

Average elevation: 478 m

Average elevation: 204 m

Average elevation: 48 m

Average elevation: 231 m

The Mount St. Helens major eruption of May 18, 1980, is currently the most economically destructive volcanic event in U.S. history. 57 people were killed and 200 homes, 47 bridges, 15 miles (24 km) of railways, and 185 miles (298 km) of highway were destroyed. A massive debris avalanche, triggered by a…

Average elevation: 2,096 m

The mountain is home to diverse ecological zones, ranging from dense lower-elevation forests dominated by Douglas fir and western hemlock on its western slopes to drier ponderosa pine forests on its eastern slopes. These ecosystems support a rich array of flora and fauna, including large mammals like Roosevelt…

Average elevation: 3,235 m

Average elevation: 78 m

Average elevation: 67 m

Average elevation: 142 m

Average elevation: 57 m

Average elevation: 131 m

Average elevation: 1,431 m

Average elevation: 104 m

Average elevation: 395 m

Average elevation: 51 m

Average elevation: 43 m

Average elevation: 47 m

Average elevation: 20 m

Average elevation: 231 m

Average elevation: 1,401 m

Average elevation: 760 m

Average elevation: 619 m

Mount Index is a peak in the central part of the Cascade Range of Washington state. It lies just south of the Skykomish River and U.S. Route 2, at the western edge of the Cascades. Despite its low elevation relative to peaks higher in the Cascades, it is a famous and dramatic landmark due to its topographic…

Average elevation: 1,178 m

Average elevation: 591 m

Average elevation: 86 m

Average elevation: 2,699 m

Mount Ellinor is a peak in the Olympic Mountains of Washington, United States. It is located in an area designated as the Mount Skokomish Wilderness. The mountain is a popular day hike in the summer months; the summit is reachable via a steep-but-brief 3.3-mile (5.3 km) trail which gains about 3,200 feet (980…

Average elevation: 1,334 m

Average elevation: 555 m

Average elevation: 217 m

Average elevation: 1,428 m

The North Cascades features some of the most rugged topography in the Cascade Range with craggy peaks and ridges, deep glacial valleys, and granite spires. Geological events occurring many years ago created the diverse topography and drastic elevation changes over the Cascade Range leading to various climate…

Average elevation: 2,132 m

Average elevation: 14 m