Hard

Mount Si

Washington

Distance8 mi
Est. time~4 hr 14 min
Elevation gain3,150 ft
RouteOut & back
Illustrative elevation profile — open in Apple Maps for the live trail map & precise profile.

Mount Si is a hard 8-mile out & back hike in Washington with about 3,150 ft of elevation gain. the classic Seattle conditioning climb.

This handoff is a name search; confirm the correct trailhead before navigating. Check conditions, permits, and weather before you go — trails close, and mountain weather turns fast.

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