Mount Si Main Trail


Day Hike - Mount Si Main Trail

Mt Si

COVID-19: Learn about our most up-to-date guidance for participants and leaders on our COVID-19 Response page. All participants and leaders must agree to the COVID-19 Code of Conduct before participating in this Mountaineers activity.
  • Moderate/Strenuous
  • Mileage: 8.0 mi
  • Elevation Gain: 3,200 ft
8:00 AM at Old Mt Si Trailhead
This trip will meet the requirements for the Alpine Scrambles Course conditioner. Have a 25 lb. pack. The expectation is to reach the bench on Mt Si in 2.5 hrs or less. Be prepared for cold, wet weather, and bring the required 10 essentials. Bring Crampons or some sort of traction device for ice. There is no water at either the trailhead or on the trail. Also consider bringing a change of clothes for the drive home. If you have any questions, email me at

Mount Si Main Trail

Required Equipment

Required Equipment

The Ten Essentials
Trip Reports