Mount Daniel

Mount Daniel
Name	Mount Daniel
Elevation m	2419
Prominence m	839
Range	Cascade Range
Location	King County, Washington, Kittitas County, Washington, Washington (state)
Coordinates	47°31′N 121°02′W
Topo	United States Geological Survey
First ascent	1925

Mount Daniel is a prominent peak in the Cascade Range of Washington (state), rising near the perimeter of Alpine Lakes Wilderness and dominating views from Snoqualmie Pass, Hyak, Washington and approaches along Interstate 90 in Washington. The mountain forms part of a rugged skyline that includes neighboring summits such as Mount Stuart, Mount Rainier, and Mount Baker, and is a landmark for recreational users from Seattle and Ellensburg. Its glacial cirques, alpine lakes, and steep ridgelines make it a focal point for mountaineering, geology, and conservation in the central Cascades.

Geography and Location

The summit sits on the border of King County, Washington and Kittitas County, Washington within the Cascade Range, approximately 6 km south of Snoqualmie Pass and 8 km west of Mount Stuart. Prominent nearby features include Princeton Glacier, Sale Lake, Shy Bear Lake, and the Pacific Crest Trail corridor that traverses the alpine zone nearby. Hydrologically, runoff from the mountain drains to tributaries of the Yakima River to the east and to the Snoqualmie River watershed to the west, linking the peak to water systems that feed into the Columbia River basin and coastal waterways. Access points and trailheads are commonly reached from Interstate 90 in Washington via parking areas at Hyak, Washington and trailheads near Snoqualmie Pass.

Geology and Formation

The peak is part of an uplifted, metamorphic core complex juxtaposed against plutonic intrusions associated with the Mesozoic and Cenozoic tectonics of the Cascade Range. Bedrock includes schist and gneiss overprinted by granitic intrusions related to the Subduction of the Juan de Fuca Plate beneath the North American Plate and the magmatic arc that produced the Cascade Volcanic Arc. Pleistocene glaciation sculpted the mountain, producing cirques, arêtes, and U-shaped valleys visible today near Princeton Glacier and the alpine basins. Ongoing processes such as frost wedging, mass wasting, and isostatic rebound continue to modify the summit and surrounding ridgelines noted on United States Geological Survey maps.

History and Naming

Indigenous peoples of the region, including bands associated with the Snoqualmie people and Yakama Nation, used high-elevation corridors and harvesting territories on the eastern and western slopes prior to Euro-American exploration. Euro-American exploration intensified during surveys linked to early territorial mapping by teams associated with the United States Geological Survey and explorers connected to the development of routes across the Cascade Range for rail and road projects in the 19th century. The mountain received its current name in the late 19th or early 20th century from surveyors and mapmakers active during the era of Washington (state) territorial organization; subsequent climbing parties from alpine clubs such as the Mountaineers (Seattle) documented early ascents. Notable climbs in the early 20th century were recorded by mountaineering parties who published in periodicals tied to the Alpine Club (United Kingdom) and regional alpine organizations.

Ecology and Climate

The mountain supports alpine and subalpine communities characteristic of the central Cascade Range, with treeline transitions from subalpine fir and Engelmann spruce stands into alpine meadows and talus fields. Flora includes cushion plants and specialized forbs found in the Alpine Lakes Wilderness, while fauna includes populations of American pika, hoary marmot, and seasonal use by black bear (Ursus americanus) and coyote. Avian species such as gray jay, peregrine falcon, and Clark's nutcracker frequent the high country. The climate is maritime-influenced, with heavy winter snow accumulation driven by Pacific storm tracks associated with the North Pacific High and orographic lift across the Cascade Range, producing persistent snowfields and small glaciers; summers are short, cool, and relatively dry under the influence of the Pacific Decadal Oscillation and seasonal high-pressure patterns.

Recreation and Access

The area is a popular destination for peak-baggers, scramblers, and alpine climbers from Seattle and regional communities, with routes graded from non-technical scrambles to glacier travel requiring crevasse awareness and roped techniques familiar to members of the American Alpine Club. Trail approaches often begin at Snoqualmie Pass trailheads serviced by Interstate 90 in Washington and cross-country routes via alpine basins near Sale Lake. Common activities include hiking, mountaineering, backcountry skiing, and technical rock climbing on exposed ridgelines; local guide services and clubs offer route information and instruction. Seasonal hazards include avalanche risk documented by the Northwest Avalanche Center, spring glacial melt, and rapid weather changes noted by the National Weather Service offices that serve the region.

Conservation and Management

Management falls under federal designations including the Alpine Lakes Wilderness and oversight by the Wenatchee National Forest and Mount Baker–Snoqualmie National Forest administrative units, which implement wilderness regulations, trail maintenance, and visitor education programs. Conservation issues addressed by agencies and organizations such as the United States Forest Service, The Mountaineers (Seattle), and regional conservation nonprofits include invasive species control, watershed protection for tributaries of the Yakima River and Snoqualmie River, and climate-related glacier monitoring programs coordinated with academic partners at institutions like the University of Washington. Wilderness designation imposes limits on mechanized access, promoting Leave No Trace practices promoted by the Leave No Trace Center for Outdoor Ethics and seasonal restrictions intended to protect sensitive alpine habitats and cultural sites associated with regional Indigenous groups.

Category:Mountains of Washington (state) Category:Cascade Range