North of Winthrop, the Eightmile Sno-park provides access to an extensive groomed snowmobile trail network including Eightmile Trail, Cub Pass Trail, Banker Pass Trail and Sweetgrass Butte Trail. The Boulder Creek SnoPark also provides access to these trails.
To reach the snowmobiling trailhead at Eightmile Snopark from Winthrop, head north on CR1213 for 6 miles to intersection with CR9137. Continue 2.5 miles north on CR9137 (FS51).
Overall, Eightmile Snopark is the 24th most popular snowmobile trail of all 28 snowmobiling rides in Washington.