A vast area of basalt lava flows in Eastern Washington, roughly bounded on the west by the Columbia River, on the east by the Idaho border, on the north by the Columbia River and Spokane River, and on the south by the Oregon border. This region encompasses Grand Coulee and Moses Coulee.
Steamboat Rock Summit Loop via Steamboat Benchmark + Steamboat Bow (Upper Grand Coulee, WA)
Trip Date: April 19, 2024 2024 GRAND COULEE ADVENTURE VACATION Steamboat Rock Hiking Loop Steamboat Rock (2312 ft)Steamboat...
