North of Trout Lake in the Gifford Pinchot National Forest, the Mt Adams area has over 100 miles of groomed snowmobile trails at elevations from 2,000 to 6,000 feet.
To reach the Flat Top Sno-Park from the intersection of SR 14 and SR 141 in White Salmon, go north on SR 141 for 23 miles. Turn right on Trout Creek Rd. and go 4 miles. Take a left on NFD 88 and travel 2 miles. Park at the intersection of NFD 88 and NFD 8821 at the Sno-Park.
Overall, Mount Adams is the 3rd most popular snowmobile trail of all 28 snowmobiling rides in Washington.