McClellan Butte, Mountain summit in Cascade Range, Washington, United States.

McClellan Butte is a peak in the Cascade Range in King County, Washington, 11 miles east of North Bend. Its hiking trail is a difficult route known as an alternative to the crowded Mount Si trail. Precipitation runoff from the butte drains into the Snoqualmie River.

The mountain is named after General George B. McClellan, who explored the area in 1853 while surveying potential railroad routes through the Cascades. These exploration missions were part of early efforts to develop transportation routes across the mountain region.

The butte is named after General George B. McClellan, who led the 1853 Pacific Railroad Survey through the Cascades. The trail is known as a less crowded alternative to the popular Mount Si route, drawing hikers who want a harder climb without the crowds.

This hike demands advanced scrambling abilities and proper gear for its technical sections higher on the mountain. Snow persists on several portions of the route until early July, making the climb more difficult and hazardous during the early season.

This peak features multiple avalanche chutes and water-carved snow bridges that create seasonal hazards during spring months. These dynamic features change year to year with weather conditions, making the route unpredictable for climbers.