Trip

Day Hike - Mount Si

Hikes with Spikes. Up new trail and down via Tenerife Connector and Talus Loop Trail. 8.5 miles 3,400’ gain

Tue, Dec 30, 2025
Committee: Foothills Hiking Committee
Activity Type: Day Hiking
Audience: All Who Qualify, Adults

Difficulty: Moderate/Strenuous
Leader Rating: Challenging
Mileage: 8.5 mi
Elevation Gain: 3,400 ft
High Point Elevation: 4,000 ft
Pace: 1.25 up, 2.25-2.5 down

Availability: 1 (8 capacity)
Registration Open: Sat, Dec 27, 2025 at 12:00 PM
Registration Closed: Sun, Dec 28, 2025 at 5:00 PM
Cancellation & Refund Policy
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Leader's notes

We will travel at a moderate speed with stops here and there for views, etc. Leader may stop some for mushroom foraging. This is not a conditioning hike, but for enjoyment of the outdoors, the snow and views, etc. Microspikes, trekking poles and gaiters are required equipment.
Participants need to have successful completed a hike with 3000’ of gain in the last four months to register.

Meeting place and time

Mt. Si TH-8:00 AM Discover Pass required

Getting There

From Seattle, drive I-90 to exit 32. Turn left onto 436th Ave SE. Follow 436th to its end at SE North Bend Way. Turn left. In three-tenths of a mile, turn right onto SE Mt. Si Road. Follow it 2.4 miles. Entrance to the trailhead will be on the left. A Discover Pass is required at trailhead (and don’t assume no one will check – the lot is patrolled regularly).

Route/Place