Flattop Sno-Park
- Trail Length: 154 miles
- Elevation: 2,600 feet
Good to knows
Land Manager
Mount Adams Ranger District
(509) 395-3400
Law Enforcement
Skamania County Sheriff's Office
(509) 427-9490
Directions & Maps
6.5 miles northwest of Trout Lake. State Route 14 to Highway 141 north to junction of USFS Road 88 & 8821.
Parking
46.05681625, -121.6282576
Motorized grooming
- Grooming Season: 12/2-3/31
- Grooming Company:
Backcountry Plowing and Grooming
Motorized grooming reports
Grooming reports are provided on our website as they are given to us.
They don't represent the most accurate current conditions.
1/30/26: Flat Top SP - 88rd - 7 diamond - 88rd - Big Tire - 9 diamond - 88rd - 17 diamond - 8860 - Swampy Meadows - 16 diamond - 23 rd - Takhlakh Lake
1/29/26: Flat Top SP - 88rd - 7 diamond - 6 diamond - 8831 - 6020 - 4 diamond - 24 rd - 3 diamond - Atkisson SP - 3 diamond - 5 diamond - 8821rd - Flat Top SP
1/28/26: Takhlakh Lake - 23rd - 16 diamond - 8860- Swampy Meadows - 18 diamond - 17 diamond- 88rd - Big Tire - 9 diamond- 7 diamond - 8831- 6 diamond - 11diamond - 24rd ( Berry Fields ) - 12 diamond - Lone Butte SP - - 30rd (12 diamond) - 11 diamond (Berry Fields) 24rd - 6 diamond - 5 diamond - 8821 - Flat Top SP.
1/15/26: Flat Top SP - 88rd - 7 diamond - 88rd - Big Tire - 9 diamond - 88 rd - 17 diamond - 8860 - Swampy Meadows - 16 diamond - 23rd - Takhlakh Lake.
1/14/26: Flat Top SP - 88rd - 7diamond - 6 diamond - 8831 - 24rd - 11 diamond - 12 diamond - Lone Butte SP - 14 diamond- 12 diamond - 11 diamond - 10 diamond - 8851 - Big Tire - 9 diamond - 88 rd - Flat Top SP.
4 feet of fresh snow - clear, cold and sunny. Jeep ruts all the way to Lone Butte.
1/9/26: Flat Top SP - 88rd - 7 diamond - 6 diamond - 6020 - 4 diamond - 24rd - 3 diamond - Atkisson SP - 3 diamond - 5 diamond - 8821 - Flat Top SP.
2-3 ft of snow and snowing.
1/8/26: Flattop SP - 8821rd - 5 diamond - 6 diamond - Berry Fields - 11 diamond - 8851rd - Big Tire 9 diamond - 88rd - 7 diamond - 8831rd - 6 diamond - 5 diamond - 8821rd - Flattop SP.
1/6/26: Flat Top SP - 88rd - 7 diamond - 6 diamond 8831 - 24rd - 11 diamond - 12 diamond - Lone Butte SP 14 diamond - Lone Butte SP - 12 diamond - 11 diamond - 10 diamond - 8851 Big Tire - 9 diamond 88rd - Flat Top SP.
12/20/25 - Groomed Flat Top - 8821 rd - #5 diamond - and back. Lots of Snow and tons of wind. Cleared many trees from the trail.
12/18/25: Groomed from Takhlakh Lake to FS 8810 to FS 88rd to Flat Top Sno Park. Wet snow conditions. Cleared 40-50 down trees from the trail.