Rattlesnake Ledge

Rattlesnake Ledge is a moderate, 4 mile round-trip day hike with 1,160 ft in elevation gain. The trail switchbacks up steeply to a rocky ledge with views of Mount Si and the surrounding area.


from I-90, take exit 32 for 436th Ave SE. Turn right onto Cedar Falls Road SE and about four miles down the road the trailhead/parking lot will be on the right. 

on the trail

Hike the Rattlesnake Ledge Trail 1.8 miles and 1,160 feet to Rattlesnake Ledge.

approach & ascent

Rattlesnake First Ledge

3 miles round trip with 1,160 feet of elevation gain
difficulty: strenuous 1, technical 3

Hike the Rattlesnake Ledges Trail ~0.5 mi. The scramble route begins at ~300 yards south of the major switchback where the trail turns sharply south (GPS coordinates 47.439642, -121.775404 and elevation 1,280 ft). Ascend steeply uphill (right turn off the trail) on a boot path, easily followed once found. The route follows a distinct rib between main (lower) ledge to the left and the ridge from Second Ledge on the right, topping out on Rattlesnake First Ledge edge at ~2,079 ft. Descend by hiking down the Rattlesnake Ledge Trail.

INFORMATION for leaders

scheduling & permits

  • If you are scheduling this as a non-course related activity, please limit your group size to the default party size. The maximum party size is for use by course field trips only, and includes both students and instructors. Group size maximums do not reflect how course field trips are run (in smaller groups of students and instructors), but allow for course leaders to register the course in our system.
  • If you are scheduling a course field trip, please contact our Member Services Team to confirm the field trip and any permitting regulations.
  • Suitable Activities: Day Hiking, Scrambling
  • Seasons: March, April, May, June, July, August, September, October, November
  • Weather: View weather forecast
  • Difficulty: Moderate, Strenuous 1, Technical 3
  • Length: 4.0 mi
  • Elevation Gain: 1,160 ft
  • 2,078 ft
  • Green Trails Rattlesnake Mtn No. 205S
Trip Reports

This is a list of titles that represent the variations of trips you can take at this route/place. This includes side trips, extensions and peak combinations. Not seeing a title that fits your trip? Log in and send us updates, images, or resources.

  • Rattlesnake First Ledge
  • Rattlesnake Second Ledge

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