West Tiger Mountain Railroad Grade

A round trip day hike of 10 miles and 1,600 feet of elevation gain on the remote West Tiger Mountain Railroad (RR) Grade Trail.

getting there

Just east of Issaquah take I-90, Exit 20, then turn south and then take an immediate right onto SE 79th Street and head west parallel to I-90 to the High Point Trailhead.

on the trail

Start out on the Bus Trail and then turn left on the Section Line Trail.  After following the power lines for ~0.5 mi, turn left onto the Poo Poo Point Trail.  Reach the Railroad (RR) Grade Trail in ~3 mi (1,900 ft). Turn left and hike the RR Grade until it passes under the summit of West Tiger 3. Return to the trailhead by the West Tiger 3 Trail.


  • Extend your journey by continuing on the RR Grade Trail until in meets the K3 Trail or Tiger Mountain Trail to return to the trailhead.


  • Permits are required in this area for all fee-based (course-related) activities, regardless of group size.  Leaders may list trips at this route/place with the understanding that they need to verify that a permit has been obtained before running the trip (if required as outlined above). Permit applications are submitted to WA Department of Natural Resources annually in December. Please contact info@mountaineers.org with any additional questions. More details about permitting on WA DNR land as it applies to Mountaineers trips, as well as our current year Land Use License, can be found here.
  • Difficulty: Moderate
  • Length: 10.0 mi
  • Elevation Gain: 1,600 ft
  • 2,000 ft
  • Green Trails Tiger Mtn No. 204S

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