he Kachess trail system offers a variety of terrain surrounding 23 miles of  groomed trails, while the nearby Crystal Springs area has 51 miles of trails to ride, which includes impressive views at Tacoma Pass on the King and Kittitas County border. Then, further east, you’ll reach the Elk Heights trail system, with its 90 miles of groomed snowmobile trails that open the windows to the eastern Cascades. North of Interstate 90, the Blewett Pass trail system offers another 70 miles of groomed trails.