Mount Stuart is a mountain in the Alpine Lakes Wilderness in the Cascade Range in the state of Washington. It is the second highest non-volcanic peak in the state, after Bonanza Peak. Like many Cascade peaks, Mount Stuart is more notable for its local relief than for its absolute elevation. The south face rises 5,000 feet in just 2 horizontal miles. The northeast and northwest sides of the mountain exhibit similar steep relief. Due to its location away from higher peaks, Mount Stuart has a topographic prominence of 5,354 feet, making it the 6th most prominent in the state. The rock of Mount Stuart is unusually rugged and unstable, due to the extensive jointing of the granite. The standard route is the Class 3 Southeast Route up the Cascadian Couloir. It ascends the gully to a false summit just southeast of the main summit and finishes along a short ridge. The route involves scrambling, and often, steep snow. Far more technical climbs are available on the complex north face of the mountain, including the classic North Ridge (5.7).