Twin Falls (Olallie State Park)

Twin Falls in Olallie State Park State Park is an easy, 3 mile round trip hike with just 500 ft in elevation gain. The trail goes along the South Fork Snoqualmie River with a short side trip to scenic waterfalls.

Information for Leaders


This route/place allow multiple bookings to accommodate morning and afternoon sections of our programs. Please be sure that no activities schedule here overlap.


The Mountaineers has a commercial use permit with Washington State Parks for all free and fee-based outings at state parks. Leaders should carry a print or digital copy of our  commercial use permit to show rangers they may encounter.

  • Difficulty: Easy
  • Length: 3.0 mi
  • Elevation Gain: 500 ft
  • 1,000 ft
  • Land Manager: Olallie State Park
  • Parking Permit Required: Discover Pass
  • Recommended Party Size: 12
  • Maximum Party Size: 12
  • Maximum Route/Place Capacity: 12
  • Green Trails Bandera No. 206
  • Green Trails Mount Si NRCA No. 206S
  • USGS Bandera

Upcoming Activities

Intro to Frontcountry Trail Running - Twin Falls

Trail Running Field trip: Introduction to Trail Running: Frontcountry
Learn and practice trail running skills at a local frontcountry trail.
Difficulty: Easy
Tue, May 18, 2021
No Prerequisites
0 participants 0 instructors
Registration closes May 16
Foothills Branch

GoHike Hiking Trip - 2-4 miles, <500 feet gain - Twin Falls (Olallie State Park)

Avalanche Safety Field trip: GoHike: Beginner Hiking Series
This hike can apply toward your GoHike Graduation! These will have a gentle pace.
Difficulty: Easy
Tue, Jul 20, 2021
No Prerequisites
7 participants
Registration opens Jun 18
Foothills Branch

Intro to Trail Running: Backcountry Field Trip - Twin Falls (Olallie State Park)

Trail Running Field trip: Introduction to Trail Running: Backcountry
A field trip to a backcountry location to reinforce what you have learned and evaluate
Difficulty: Easy
Thu, Jul 22, 2021
No Prerequisites
2 participants on waitlist 1 instructor
Registration closes Jul 20
Foothills Branch
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.

  • Twin Falls
  • Olallie State Park

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