Flattop Sno-Park

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Flattop Sno-park is located in the South Cascades region. This Sno-park features 154 miles of motorized snowmobiling trails.

  • Trail Length: 154 miles
  • Elevation: 2,600 feet

The Sno-Park provides assess to 154 miles of groomed snowmobile trails and is used primarily by snowmobilers. The trails lead to remote forest and scenic high elevations lakes. There is a good view of Mt. Adams from the Snow Park. It has a warming shelter with wood stove and picnic tables. The parking area accommodates 70 vehicles.

In a mature and varied forest setting with mountain meadows and geographic features, this site is near the Mt. Adams Wilderness. Visitors will find access to trails leading to remote forest lakes, high-mountain elevations. 

After periods of extreme weather, work crews may be on trails during the day to clear debris or drifts. Please exercise caution.

For more information including grooming and plowing updates visit Washington State Parks winter recreation website: https://parks.state.wa.us/306/South-Cascades.

 Washington State Parks winter recreation website

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Mt Adams Snowmobile Club


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6.5 miles northwest of Trout Lake. State Route 14 to Highway 141 north to junction of USFS Road 88 & 8821.

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