Field trip: Basic Alpine Climbing Course
Climbing Conditioner - Mount Si Main Trail
This is A Sunset/Full Moon Conditioner Hike
- Wed, Apr 1, 2026
- Seattle Climbing Committee
- Climbing
- Conditioning
- Adults, All Who Qualify
- Moderate/Strenuous
- Moderate
- Mileage: 8.0 mi
- Elevation Gain: 3,150 ft
- 11 (11 capacity)
- Wed, Dec 24, 2025 at 10:00 AM
- Mon, Mar 30, 2026 at 5:00 PM
- Cancellation & Refund Policy
- iCal Google
We will be targeting the typical 2-hour trailhead to summit pace. I will have a scale available to check off the weighted pack conditioner requirements for those who are interested. While the goal is to be able to see a spectacular sunset and watch the full moon rise, this will be a rain or shine conditioner.
We will plan to meet at the main Mt. Si Trailhead at 5:00 and have introductions and weigh packs for those needing conditioner credit. We will plan to begin the hike by 5:20 which will give everyone enough time to reach the summit in time for the sun to set at 7:38.
Mount Si Main Trail
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Green Trails Mount Si NRCA No. 206S
Green Trails Mt Si No. 174
USGS Mt Si - See full route/place details.
Required Equipment
Headlamps and extra batteries are a must for this conditioner as we will be returning in the dark.