This is a US Army Corps of Engineers Wildlife Management Unit located on the Snake River northwest of Clarkston and south of Pullman. It's a canyon hike that goes up about 2.5 miles before topping out to Palouse wheat fields. The adventurous hiker can explore several side canyons for multiple trips in this area.
Nisqually John Canyon

Location
Eastern Washington -- Palouse and Blue Mountains
Length
5.0 miles, roundtrip
Elevation
Gain: 1400 ft.
Rating
Parking Pass/Entry Fee
NoneNisqually John Canyon
Map & Directions
Getting There
From Clarkston, WA, head west on Highway 193 for 13.3 miles. The parking area will be on your right. You can also approach from Pullman via the Wawawai Rd.