Mount Si Trail is a hiking trail in King County, Washington. It is within Mount Si Natural Resources Conservation Area. It is 3.9 miles long and begins at 664 feet altitude. Traveling the entire trail is 8.1 miles with a total elevation gain of 4,909 feet. There is an information map and restrooms. Along the trail there is a bench and a scree. The trail ends near Mount Si (elevation 4,114 feet).
Mount Si Trail Professional Guides
Detailed Trail Descriptions from Our Guidebooks
Sign in/up to upload photos.