Sno-Park: Marble Mountain


Area Status: Open
Shelter with snow

Marble Mountain Sno-Park is the starting point for the Worm Flows Climbing Route for Mount St Helens Summit. This is the primary climbing route used during the winter. Marble Mountain Sno-Park offers a trail system that includes 25 miles (snowmobile), and 78.4 kilometers ungroomed (ski).

This area is shared with motorized and non-motorized recreationists. Marble Mountain Sno-Park is not a location for recreational sledding

Marble Mountain Ski Trail Map (.pdf)

Check Washington State Sno-Parks for current grooming conditions.

At a Glance

Current Conditions: 5/30/23: Forest Road 83 is clear to Marble Mountain Sno-Park.
Fees: Washington State Sno-Park Permit required Dec. 1 to March 31. 
Permit Info:
  • Mount St. Helens Climbing Permit required for each person, for each day, year-round, traveling above 4800 feet on the slopes of Mount St. Helens:  
    • April 1 through Oct. 31: Permits purchased in advance at Recreation.gov on a rolling basis. 
    • Nov. 1 to March 31: Permits available at Marble Mountain Trailhead and are free.
  • Washington State Sno-Park Permit required Dec 1 to March 31.  Purchase online or at local vendors. One per vehicle. Not available on-site.
Usage: Heavy
Busiest Season: Winter
Restrictions:
  • Snowmobiles are prohibited in the the Non-motorized corridor between Monitor Ridge and the Worm Flows climbing routes.
  • The restricted research area north of the volcano is closed to snowmobiles and to off-trail ski and snowshoe travel.
Closest Towns: Cougar, WA
Water: No
Restroom: Vault Toilets
Information Center:

General Information

Directions:

From Cougar, WA drive east on Lewis River Road, which turns into Forest Road 90. Continue on Forest Road 90 until the intersection with Forest Road 83. Turn left on Forest Road 83 and continue approximately 6 miles to the Marble Mountain Sno-Park. During the winter and early spring  Forest Road 83 is gated at the Sno-Park.


General Notes:

Marble Mountain Non-motorized Winter Trails Map (.pdf)

Marble Mountain Non Motorized Snow Trails Vicinity Map


Recreation Map

Map showing recreational areas. Map Information

Activities

Mountain Climbing

Marble Mountain Sno-Park is the starting point for the Worm Flows Climbing Route. This is the primary climbing route used during the winter.

XC Skiing/Snowshoeing

Snowmobiling

Recreation Areas

Recreation Activities

Location

 
  Latitude : 
46.1293

  Longitude : 
-122.1716

  Elevation : 
2,800 ft.