Sno-Park: Flattop

Area Status: Open
This area is Open

In a mature and varied forest setting interspersed with mountain meadows and geographic features, this park is near the Mt. Adams Wilderness. Here visitors will find access to trails leading to remote forest lakes, high-mountain elevations and some of the most spectacular country found anywhere.

This area accesses 154 miles of groomed snowmobile trails and is used primarily by snowmobilers. The Sno-Park has a warming shelter with wood stove, picnic tables and toilet. Please park according to posted signs.

At a Glance

Current Conditions: 02/19/2015: No snow at Flattop Sno-Park. See the Washington State Snowmobile SnoParks site or Non-Motorized SnoParks site for Mt. Adams area (South Cascades) which has maps and information about groomed trails and other updates. A Washington State Sno-Park Permit is required on all vehicles parked at Sno-Parks and immediate access roads from December 1st to March 31st.
Area Amenities: Picnic tables,Toilets,Parking
Fees A valid Washington State Sno-Park Pass is required for each vehicle December 1 to March 31. PLEASE NOTE: Oregon and Idaho Sno-Park Passes are no longer valid as the states ended their reciprocity agreement.
Permit Info: Washington State Sno-Park permits: Sno-Park permits are available to purchase in Trout Lake, WA at the Mt. Adams Ranger Station and Trout Lake Grocery; in Carson, WA at the Wind River Market; in Stevenson, WA at the Home Valley Store and Main Street Convenience Store; in Vancouver WA at the Gifford Pinchot National Forest Headquarters, or by mail from Washington State Parks, Winter Recreation Program, 1111 Israel Road S.W., Olympia, WA 98504. Learn more at Sno-park permits help pay for snow removal, trail grooming, sanitation facilities, mapping, trail signs, safety education, enforcement and program administration.
Open Season: Dec. 1
Usage: Heavy
Restrictions: Motorized vehicles are not allowed in the nearby Mt. Adams  or Indian Heaven Wilderness areas. Violations of 36 CFR 261 may result in confiscation of equipment, fines up to $5,000.00, and/or six months in jail
Closest Towns: Trout Lake, WA
Water: No
Restroom: Vault Toilet (1)
Operated By: Forest Service
Information Center: Mt. Adams Ranger District

General Information


From Stevenson, WA, take State Route 14 east to Highway 141, then north to Forest Road 88. Sno-Park is approximately 6 miles NW of Trout Lake at junction of Forest Roads 88 and 8821.


This site is in a remote forest setting. The parking area is flat, but terrain will be difficult, especially in winter.

Recreation Map

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Winter Sports

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XC Skiing/Snowshoeing

Warming Shelters1


Warming Shelters1


Picnic tables