Boundary Trail #533


This trail is in the Pasayten Wilderness and travels 13 miles on the Tonasket Ranger District before crossing over to the Methow Valley District to the west. The trail is an easy trail for all hikers or horseback riders. The trail begins at the Irongate Trailhead continuing to Sunny Pass, around Horseshoe Basin to just west of Teapot Dome. Many fantastic scenic views of the surrounding mountains and meadows are evident along the trail. Plentiful water is available all season long. The Northwest Forest Pass is required at the Irongate Trailhead.

At a Glance

Area Amenities: Fee charged for some activities,Picnic tables,Toilets,Parking
Fees $5/vehicle/day Northwest Forest Pass, or its equivalent (Golden Age, Golden Access, America the Beautiful Pass) required for parking at trailhead. ($5/vehicle/day pass can be purchased at the trailhead.) Provided for you convenience: Parking area, self-pay station, bulletin board, picnic table, vault toilet, and trash can.
Open Season: July
Usage: Medium
Restrictions: Wilderness use restrictions apply. Certified weed-free hay or certified weed-free hay pellets are required on National Forest lands (processed grains are okay).
Closest Towns: Tonasket, WA
Operated By: Forest Service

General Information


From the town of Loomis, travel north on County road #9425 for 2 miles to junction of #9425 and County Road #4066.  Turn West on County road #4066 which becomes Forest Service Road #39.  Drive on Forest Service Road #39 for 14 miles to Forest Service Road #3900-500.  Drive Forest Service Road #3900-500 for 6 miles to Irongate TrailheadThe #3900-500 road is maintained for high clearance vehicles only and is not recommended for passenger cars.



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Horse Riding & Camping

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Nature Viewing

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Toilets Vault toilet
Picnic tables
Fee charged for some activities NW Forest Pass Required, or Access, Senior Citizen or Interagency Pass accepted.