Field trip: Winter Hiking Series: I-90 Alley
Winter Hiking Series: I-90 Alley February Hikes - Grand Prospect
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.
- Sun, Feb 22, 2026
- Tacoma Hiking & Backpacking Committee
- Day Hiking
- Adults
- Moderate, Strenuous
- Challenging
- Mileage: 9.8 mi
- Elevation Gain: 2,020 ft
- Pace: 1.8-2.2 mph
- 6 (6 capacity)
- FULL (2 capacity)
- Fri, Jan 16, 2026 at 8:00 AM
- Fri, Feb 20, 2026 at 5:00 PM
- Cancellation & Refund Policy
- iCal Google
***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.***
This is a great winter hike. We'll hike at a moderate pace, but keep the group together. We'll stop at the top for a break/lunch.
A Discover Pass is required. You must carry Microspikes!
We will meet at the Snoqualmie Point Park trailhead at 8:45am for a 9:00am departure.
Required Equipment
Ten Essentials PLUS microspikes