Olallie State Park

A short 45-minute drive east of Seattle, on the western slopes of the Cascade Mountains, sits this day-use park providing a trip through the lush forest to view soaring cliffs, a rushing river and sweeping waterfalls.

Picnic areas

South Fork Picnic Area provides river access for anglers as well as first-come, first-served picnic tables and grills next to the Hall Creek Play Field or along the Snoqualmie River.  

Trailheads

Cedar Falls Trailhead

Access the western end of the long-distance Palouse to Cascades State Park Trail and the popular Cedar Butte Trail. Cedar Butte Trail is family-friendly for a gentle hike to the 1,870-foot summit of Cedar Butte. Take in views of the Boxley Blowout, a crater left from a landslide and flood that destroyed the downstream town of Edgewick in 1918.

Far Side Trailhead

Ideal for hikers and rock climbers, access the trails and crags in the Middle Fork Natural Resource Conservation Area. Hike the summit trail to Dirty Harry’s Peak to take in views of the Upper Snoqualmie Valley and Alpine Lakes Wilderness Area. Rock climbers have access to six separate climbing areas that range in difficulty from 5.5 to 5.12c.

Homestead Valley Trailhead

Start at Homestead Valley Trailhead for a variety of outdoor activities, hike on the Palouse to Cascades State Park Trail to Twin Falls Trail or access Deception Crags and Mount Washington climbing areas.

Twin Falls Trailhead

Access the river for fishing or kayaking or hike the trail to view waterfalls.

Interpretive opportunities

Start near the riverside picnic area to walk the interpretive trail through old-growth trees to learn about the Snoqualmie Wagon Road that ran from Ellensburg to Seattle in the 1800s.