Marble Mountain Group Picnic Site

Gifford Pinchot National Forest — lakeside, hiking

Location: Cougar, WA, WA

Price: From $100 per night

Rating: 4 out of 5 (0 reviews)

Season: May through October

Marble Mountain Group Picnic Site is on the Gifford Pinchot National Forest and is located at the Marble Mountain SnoPark on the south side of Mount St. A part of the WA State Sno-Park program in the winter months, Marble Mountain Group Picnic Site is offered as a day use group picnic area Saturdays only, May - September. (The site may be available for reservation as early as April or as late as June depending on conditions, i.e., whether there is snow on the ground or not).

Cell coverage (FCC estimate): none signal. Actual signal may vary in remote areas.

Amenities: Fire Rings, Picnic Tables, Vault Toilets, Drinking Water, Electric Hookups

Availability alerts: Set a free cancellation alert at camperwatch.org/campground/marble-mountain-group-picnic-site to be notified when sites open up.

Marble Mountain Group Picnic Site offers gorgeous alpine scenery on the south side of Mount St. Helens with maintained facilities including vault toilets and plowing. Campers appreciate the bathroom access and scenic mountain setting.

Wildlife alert: Mountain goats, American pikas, mule deer, Steller's jays, Canada jays, and common garter snakes inhabit the area.

Insider tips for Marble Mountain Group Picnic Site: Book early as this is a federal campground with high demand Expect steep 1,100 foot incline through forest for first 2.5 miles before opening to rocky alpine terrain Available Saturdays only during operating season for day use

Skip Marble Mountain Group Picnic Site if: Expecting overnight camping - this is a day-use group picnic site only. Needing RV hookups - no hookups available. Visiting outside May-October season - seasonal operations only.

Best time to visit Marble Mountain Group Picnic Site: May-September — Official day-use group picnic area operation period, though availability depends on snow conditions and may shift between April-June.

Nearby campgrounds: Kalama Horse Camp (Amboy , WA), Lower Falls Campground (Trout Lake, WA), Lewis River Hc (Wa) Gifford Pinchot Nf (Trout Lake, WA), Paradise Creek Campground (CARSON, WA).

Cell Phone Coverage at Marble Mountain Group Picnic Site

Cell signal at Marble Mountain Group Picnic Site (Cougar, WA): none overall signal based on FCC broadband data.

Coverage data source: FCC Broadband Data Collection (BDC). Actual signal may vary due to terrain, tree cover, and distance from towers. Camper reports are more reliable than coverage maps in remote areas.

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Gifford Pinchot National Forest — lakeside, hikingLive availability via Recreation.gov· synced every 30 min

Marble Mountain Group Picnic Site

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Cougar, WA, WA★ 4 (0 reviews)From $100/nightFederal campground · book on Recreation.gov
On this page ↓OverviewConditionsPlan Your TripCommunity

Marble Mountain Group Picnic Site is on the Gifford Pinchot National Forest and is located at the Marble Mountain SnoPark on the south side of Mount St. A part of the WA State Sno-Park program in the winter months, Marble Mountain Group Picnic Site is offered as a day use group picnic area Saturdays only, May - September. (The site may be available for reservation as early as April or as late as June depending on conditions, i.e., whether there is snow on the ground or not).

Best for:HikersSites:Tent
LIVE · weather + fire + AQI + availability + wildlife

Verified facts

RIDB / Recreation.gov official database
Check-in2:00 PM
Check-out12:00 PM
SeasonMay through October
Stay limit14 days
HookupsNo hookups.
ADA sites1 sites
PetsAllowed
Max/site6 people

Amenities

RIDB /facilities /campsites · owner-verified
Essentials
Fire RingsDrinking Water
Recreation
Picnic TablesElectric Hookups
Family & Pets
Vault Toilets

Straight talk

CamperWatch intel · curated from camper reports

Known issues, each with the workaround. Read before you book.

Known issuesFederal campground — book early. No hookups at most sites. Seasonal operations.
Skip it if:✕ Expecting overnight camping - this is a day-use group picnic site only✕ Needing RV hookups - no hookups available✕ Visiting outside May-October season - seasonal operations only

Insider tips & when to go

CamperWatch intel · hand-curated entry

Book early as this is a federal campground with high demand

Expect steep 1,100 foot incline through forest for first 2.5 miles before opening to rocky alpine terrain

Available Saturdays only during operating season for day use

Best: May-September

Official day-use group picnic area operation period, though availability depends on snow conditions and may shift between April-June

Things to do nearby

RIDB /activities /recareas + intel

Conditions today

Live
at campground coordinates

Cell signal

FCC BDC · quarterly dataset
T-Mobile
4G · 0%
Verizon
4G · 0%
AT&T
4G · 0%

FCC maps are theoretical — camper reports confirm signal.

Wildlife nearby

iNaturalist · research-grade · 8 km
Alert: Mountain goats, American pikas, mule deer, Steller's jays, Canada jays, and common garter snakes inhabit the area.

Location

Leaflet · OpenStreetMap tiles
Open in OpenStreetMap ↗
360-449-7800· Gifford Pinchot National Forest
Getting there →

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, Ape Cave/Lava Canyon. Continue straight for 6 miles. Turn left at signs for Marble Mountain Sno-park.

Campground entrance

Google Maps API

Community

#community · posts, photos & Q&A · AI-moderated (Claude Vision)

Pro tips

  • Book on recreation.gov exactly 6 months ahead at 10am ET — Gifford Pinchot National Forest fills fast in peak season.
  • Check current road conditions at Gifford Pinchot National Forest before arrival — seasonal closures common.

Frequently asked questions

RIDB facts + intel · FAQPage schema, speakable
How much does Marble Mountain Group Picnic Site cost per night?+
Marble Mountain Group Picnic Site costs $100 per night. Hookup options: No hookups.
What season is Marble Mountain Group Picnic Site open?+
Marble Mountain Group Picnic Site is open May through October. Check-in is 2:00 PM, check-out is 12:00 PM.
Does Marble Mountain Group Picnic Site have hookups?+
No hookups.
What is the maximum RV length at Marble Mountain Group Picnic Site?+
Marble Mountain Group Picnic Site is primarily a tent camping facility.
How do I make reservations at Marble Mountain Group Picnic Site?+
Marble Mountain Group Picnic Site is a federal campground — book 6 months ahead at Recreation.gov. Set a free CamperWatch cancellation alert to be notified the moment a site opens.
What is the cell service like at Marble Mountain Group Picnic Site?+
According to FCC coverage maps, cell signal at Marble Mountain Group Picnic Site is rated none. FCC maps show theoretical coverage — actual signal in remote or heavily forested areas may be weaker.
What season is Marble Mountain Group Picnic Site open, and what are check-in times?+
Marble Mountain Group Picnic Site is open May through October. Check-in is 2:00 PM, check-out is 12:00 PM.
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●Data sources on this page
Recreation.gov — Live site availability — updated every 30 min
recreation.gov · RIDB API
National Weather Service — Live hourly forecast + active alerts
api.weather.gov · open-meteo.com
Google Air Quality API — Live AQI at exact campground coordinates
airquality.googleapis.com
iNaturalist — Research-grade wildlife within 8km
api.inaturalist.org
Google Pollen API — Today’s tree, grass & weed pollen forecast
pollen.googleapis.com
FCC Broadband Map — Verizon, AT&T, T-Mobile 4G/5G coverage data
broadbandmap.fcc.gov · quarterly
Sunrise-Sunset.org — Sunrise, sunset & golden hour for today
api.sunrise-sunset.org
Google Street View — Campground entrance & access road imagery
maps.googleapis.com
RIDB — ADA sites, hookups, toilets, pets, campfire rules, bear boxes, max RV, activities, contact, directions
ridb.recreation.gov · /facilities /campsites /activities /links /recareas

CamperWatch never fabricates data. Where data is unavailable, it is not shown.

$100 /night★ 4 (0)
SeasonMay through October
Check-in2:00 PM
Check-out12:00 PM
Reserve on Recreation.gov ↗
Dates full? Get an availability alert
FAQ
How much does Marble Mountain Group Picnic Site cost per night?+
What season is Marble Mountain Group Picnic Site open?+
Does Marble Mountain Group Picnic Site have hookups?+
All 7 questions →

Nearby Campgrounds

Kalama Horse Camp

Amboy , WA

From $23/night

Lower Falls Campground

Trout Lake, WA

From $20/night

Lewis River Hc (Wa) Gifford Pinchot Nf

Trout Lake, WA

From $5/night

Paradise Creek Campground

CARSON, WA

From $25/night

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