This 6 mile long trail is rated as "more difficult." At Chewuch Trailhead take the Cathedral Driveway Trail #510A for 2 miles and Chewuch Trail #510 for 2 miles past Pocket Lake to Basin Creek Trail 360. The Basin Creek Trail #360 travels northeasterly up to Topza Mountain. Trail ascends Basin Creek through second growth forest and brushy area; upper portion of the trail is above timberline.
At a Glance
$5/vehicle/day or Northwest Forest Pass required at trailhead.
Wilderness use restrictions apply.
Directions: From Tonasket take Okanogan County Road 9437 (Hwy 7) north for about 5.5 miles to County Road 9425. Take County Road 9425 for 12 miles to Loomis. From Loomis continue on County Road 9425 for 2 miles to County Road 4066. Turn left on County Road 4066, which becomes Forest Service Road 39, and travel for 20 miles to Long Swamp Campground, bear right on Forest Service Road 39-300 for 3 miles to Chewuch Trailhead.