Marble Mountain Group Picnic Site
Closed — Closed for the season. The group picnic shelter operates Saturdays only from June 14 through September 13 and can be reserved via Recreation.gov. Currently operating as a Sno-Park December 1 through April 1. Forest Road 83 is gated at Marble Mountain during winter.
Alcohol Prohibitions
This Order describes acts that are prohibited upon lands, roads and trails within the National Forest System administered by the Forest Service Pacific Northwest Region in regards to alcoholic beverages.
Aquatic Invasive Species
This Order prohibits 1) possessing, storing, or transporting any aquatic invasive animal species AND 2) prohibits possessing, storing, or transporting any aquatic or riparian invasive plant species - on National Forest System lands in the Pacific Northwest Region as specified in the Order.
Restrictions on Use of Forage and Mulch Products
This Order prohibits unloading, storing, or using any straw, hay, grain, seed, or other forage or mulch products that are not state-certified weed free on the National Forest System lands, roads or trails in any Closure Area as specific in the Order.
Forest Roads Closed Due to Rain Event
The past few days has shown heavy rainfall as an atmospheric river moved into the Northern Cascade Region bringing 16+ inches of rain to the Gifford Pinchot National Forest.
Forest Service Road 6808 Emergency Closure
The Gifford Pinchot National Forest issued an emergency closure of Forest Service Road 6808 from mile marker 3.9 to mile marker 4.2 due to a sinkhole that has developed in the travel way. Closure timeframe is currently unknown, and travel will resume when roads are repaired.
Rd 2810-041 Yellowjacket Bridge Road Closure
Rd 2810-041 will close Thursday, Oct. 9, 2025, and will remain closed until mid-November for redriving piles at Yellowjacket.
Winter Road Closures
Due to large amounts of snowfall the gates along the fallowing roads will be closed for the winter season. This routine seasonal gate closure is important for public safety as these roads are not maintained and become hazardous in the winter.
Washout on Forest Road 93
Forest Road 93 is closed at milepost 6.95 due to a severe washout. Road signs are posted at the beginning of each side of FR 93 to alert drivers of the inability to drive the entire length of road.
Upper State Route 504 closed at milepost 45.2 due to large slide
Closure: Upper State Route 504/Spirit Lake Memorial Highway is closed between mileposts (MP) 45.2 and 51 until further notice with a possible re-opening date sometime in 2026. Johnston Ridge Observatory and Loowit Viewpoint is inaccessible by vehicle
Adams Fork Bridge Closed (FR 5601)
The Adams Fork Bridge on FR 5601 at MP 2.0 on the Cowlitz Valley Ranger District is CLOSED.
Forest Road 2801 Closure
Forest Road 2801 is closed on both ends of the road due to a washout at milepost 0.25 and a large slide at milepost 7.
About
Marble Mountain Group Picnic Site is located at the Marble Mountain Sno-Park on Forest Road 83, positioned between popular Mount St. Helens destinations including Ape Cave, June Lake, Ape Canyon, and Lava Canyon. The facility features a 1000 square foot shelter built in 2018 that can accommodate up to 74 people, equipped with three large picnic tables and a wood stove for heating. The shelter is wired for electricity with lights, outlets, and fans, though visitors must provide their own generator and 110V connector cord. During summer months, the site serves as a day-use group picnic area available for rental on Saturdays only. From December through April, the location operates as part of the Washington State Sno-Park program, providing winter access for snowmobilers and cross-country skiers. The area features 25 miles of snowmobile trails and 78.4 kilometers of ungroomed ski trails shared between motorized and non-motorized users. It also serves as the trailhead for the Worm Flows climbing route, the primary winter climbing route for Mount St. Helens. The site provides access to the Loowit Trail and several loop trails popular with mountain bikers during summer months.
Directions
From I-5, travel east on State Route 503 towards Cougar for 30 miles. At Skamania County line, continue straight on Forest Road 90. Turn left on Forest Road 83 toward Ape Cave/Lava Canyon and continue for 6 miles. Turn left at signs for Marble Mountain Sno-Park. Note: Forest Road 83 is paved but rough, use caution.
Nearby Campgrounds
Amenities
| Water | No |
| Fires Allowed | — |
| Toilets | Yes |
| Dump Station | No |
| Wifi | No |
| Pets Allowed | — |
| Showers | No |
| Electric Hookups | — |
| Water Hookups | — |
| Sewer Hookups | — |
| Camp Store | No |
| Price | $100 |
Vehicle
| Max RV Length | — |
| Max Trailer Length | — |
| Big Rig Friendly | Yes |
| Pull Through Sites | No |
Contact
| Phone | +1 (360) 449-7800 |
Cell Service
| AT&T | None |
| Verizon | None |
| T-Mobile | None |
Useful Links
| View on Recreation.gov |
Availability
Photos
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