Field trip: Winter Hiking Series: I-90 Alley
Winter Hiking Series: I-90 Alley February Hikes - Mount Si Main Trail
Trip initially open to Winter Hiking Series students. Trip will open for registration to all Mountaineers 7 to 10 days prior to the hike date.
Contacts
Beth Lowe
Primary Leader
- Sun, Feb 22, 2026
- Tacoma Hiking & Backpacking Committee
- Day Hiking
- Adults
- Moderate/Strenuous
- Challenging
- Mileage: 8.0 mi
- Elevation Gain: 3,150 ft
- Pace: 1.8-2.2 mph
- 6 (6 capacity)
- 1 (2 capacity)
- Cancellation & Refund Policy
7am at large sign by toilets
Route/Place
Mount Si Main Trail
-
Green Trails Mount Si NRCA No. 206S
Green Trails Mt Si No. 174
USGS Mt Si - See full route/place details.
Roster
Required Equipment
Required Equipment
Ten Essentials PLUS microspikes
Trip Reports