Grand Ridge Park (Snoqualmie)

A foothills trail system, 9.5 miles in length running from Duthie Hill Park to I-90 Exit 20 High Point with a moderate elevation gain of up to 1,400 feet. The forested trail has multiple access points, a mature grove of western red cedar, a wetland with a 600-foot boardwalk and salmon bearing creeks. It is a multi-use trail open to hikers, trail runners, mountain bikes, horses, and dogs.

getting there

  • High Point & Coal Mine Trailheads. Take Exit 20 off of I-90, turn left, drive under I-90, and park in the gravel
    lot to the west. Hike west on the Issaquah–Preston rail trail to reach the trailheads.
  • Duthie Hill Park. Take Exit 18 off of I-90, East Sunset Way, veer left on Highlands Drive and follow it for 2.1 miles. Turn right onto Issaquah-Fall City Road. In 2 miles, at Endeavor Elementary School, turn right onto Issaquah-Fall City Road. Turn left into the parking lot.
  • Central Park, Issaquah

on the trail

Grand Ridge Trail

From the High Point Trailhead to the Duthie Park Trailhead, it's 9.5 miles one-way with 1,400 feet of elevation gain.

Water Tower Loop

From the Grand Ridge Drive Trailhead, it's 3.3 miles round trip with 283 feet of elevation gain.


  • Suitable Activities: Bikepacking, Day Hiking, Trail Running
  • Seasons: Year-round
  • Weather: View weather forecast
  • Difficulty: Moderate, Bikepacking MTB II
  • Length: 9.5 mi
  • Elevation Gain: 1,400 ft
  • 1,100 ft
  • Land Manager: Grand Ridge Park
  • Parking Permit Required: None
  • Recommended Party Size: 12
  • Maximum Party Size: 12
  • Maximum Route/Place Capacity: 12
  • King County Backcountry Trails - Grand Ridge
  • see Land Manager
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.

  • Grand Ridge Trail
  • Grand Ridge Park: Grand Ridge Trail
  • Water Tower Loop
  • Grand Ridge Park: Water Tower Loop
  • Coal Mine Loop
  • Grand Ridge Park: Coal Mine Loop

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