Mount Si
SummitWashington, United States
About Mount Si
Mount Si is a summit in Washington, United States.
4,180ftElevation
259ftProminence
19Ascents
3Routes
2Trip reports
Before you go
Choose an approach from the linked routes, then check its distance, gain, and starting point. Compare routes
Current access, permit, and seasonal-closure updates are not available here. Confirm those details with the land manager before your trip.
Weather
Forecast near Mount Si · destination elevation 4,180 ft. Conditions can vary with elevation.
Today
55°F / 44°F
0.0"
7 mph NE
Tomorrow
61°F / 53°F
0.0"
9 mph ENE
Thu
62°F / 45°F
0.0"
6 mph NE
Fri
45°F / 35°F
0.5"
9 mph SW
Full forecast → · Forecast by Open-Meteo
Seasonality
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Map
Photos from recent activities
Trip Report
Trip Report · Apr 18, 2021 · Hike 
Trip Report · Apr 18, 2021 · Hike
Apr 18, 2021 · Hike · Peaks member
Routes
Trip reports
- Trip ReportPeaks member · Apr 18, 2021
Still taking advantage of the gorgeous weather doing a quick one up Mt Si via the old trail. Buddy tweaked his knee so we took the descent slow. The path is still icy but only for the last 300 vertical or so. I turned …
- Trip ReportPeaks member · Nov 22, 2020
No snow on trail, haystack clear