Pumice Flat Group Camp

Inyo National Forest — lakeside, fishing, hiking

Location: Mammoth Lakes, CA, CA

Price: From $99 per night

Price range: $99–$249 per night

Rating: 4.5 out of 5 (6 reviews)

Season: May through October

Pumice Flat Group Camp is located in the Red’s Meadows and Devils Postpile section of the eastern Sierra Nevada Mountains, just west of the full-service community of Mammoth Lakes, California. This group camping facility provides access to some of the most spectacular wilderness in the Sierras and many outdoor activities such as horseback riding, fishing, hiking, photography and geologic study of the dramatic landscape. Devils Postpile National Monument and the famous Ansel Adams Wilderness are

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

Amenities: Fire Rings, Picnic Tables, Bear Boxes, Fishing

Availability alerts: Set a free cancellation alert at camperwatch.org/campground/pumice-flat-group-camp to be notified when sites open up.

Pumice Flat Group Camp offers access to spectacular Sierra Nevada wilderness with riverside camping and excellent fishing and hiking opportunities. Campers report beautiful sites and describe it as one of their best camping trips ever.

Wildlife alert: American Black Bear present in area — use bear boxes provided. Also watch for Inyo Mule Deer, Pacific Marten, and Mountain Garter Snake.

Insider tips for Pumice Flat Group Camp: Book early — federal campground with only 4 sites and high demand Bring your own water — no water on site per camper reports RVs must be self-contained as there are no hookups

Skip Pumice Flat Group Camp if: You need water hookups or full RV amenities. You visit outside May-October seasonal closure. You prefer larger campgrounds with more than 4 sites.

Best time to visit Pumice Flat Group Camp: May-October — Official operating season per verified data.

Nearby campgrounds: Agnew Horse Camp (MAMMOTH LAKES, CA), Twin Lakes Campground (Mammoth Lakes, CA), Lake Mary Campground (Palo Alto, CA), Coldwater Campground - Inyo Nf (Ca) (Mammoth Lakes, CA).

Cell Phone Coverage at Pumice Flat Group Camp

Cell signal at Pumice Flat Group Camp (Mammoth Lakes, CA): 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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CamperWatch›CA›Pumice Flat Group Camp
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Inyo National Forest — lakeside, fishing, hikingLive availability via Recreation.gov· synced every 30 min

Pumice Flat Group Camp

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Mammoth Lakes, CA, CA★ 4.5 (6 reviews)From $99/nightFederal campground · book on Recreation.gov
On this page ↓OverviewConditionsPlan Your TripCommunity

Pumice Flat Group Camp is located in the Red’s Meadows and Devils Postpile section of the eastern Sierra Nevada Mountains, just west of the full-service community of Mammoth Lakes, California. This group camping facility provides access to some of the most spectacular wilderness in the Sierras and many outdoor activities such as horseback riding, fishing, hiking, photography and geologic study of the dramatic landscape. Devils Postpile National Monument and the famous Ansel Adams Wilderness are nearby for campers to explore.The group camp is within the main Pumice Flat Campground, which offers first-come, first-served individual sites.

Best for:AnglersHikersFamiliesSites:TentRV
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
Max RV40 ft
HookupsNo hookups. Suitable for self-contained RVs.
PetsAllowed
Max/site6 people

Amenities

RIDB /facilities /campsites · owner-verified
Essentials
Fire RingsFishing
Recreation
Picnic Tables
Family & Pets
Bear Boxes

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:✕ You need water hookups or full RV amenities✕ You visit outside May-October seasonal closure✕ You prefer larger campgrounds with more than 4 sites

Insider tips & when to go

CamperWatch intel · hand-curated entry

Book early

federal campground with only 4 sites and high demand

Bring your own water

no water on site per camper reports

RVs must be self-contained as there are no hookups

Best: May-October

Official operating season per verified data

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: American Black Bear present in area — use bear boxes provided. Also watch for Inyo Mule Deer, Pacific Marten, and Mountain Garter Snake.

Location

Leaflet · OpenStreetMap tiles
Open in OpenStreetMap ↗
760-873-2400· Inyo National Forest
Getting there →

From U.S. Highway 395, take Highway 203 west through the town of Mammoth Lakes. At the second traffic light, turn right onto Minaret (203). Pass the Mammoth Mountain Ski Area and Minaret Vista. Continue a few miles on Red's Meadow Road to the campground turnoff.

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 — Inyo National Forest fills fast in peak season.
  • Check current road conditions at Inyo National Forest before arrival — seasonal closures common.
  • Bear country — store all food in bear boxes or locked vehicle at all times.

Frequently asked questions

RIDB facts + intel · FAQPage schema, speakable
How much does Pumice Flat Group Camp cost per night?+
Pumice Flat Group Camp costs $99–$249 per night. Hookup options: No hookups. Suitable for self-contained RVs.
What season is Pumice Flat Group Camp open?+
Pumice Flat Group Camp is open May through October. Check-in is 2:00 PM, check-out is 12:00 PM.
Does Pumice Flat Group Camp have hookups?+
No hookups. Suitable for self-contained RVs.
What is the maximum RV length at Pumice Flat Group Camp?+
Pumice Flat Group Camp can accommodate RVs up to 40 feet.
How do I make reservations at Pumice Flat Group Camp?+
Pumice Flat Group Camp 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 Pumice Flat Group Camp?+
According to FCC coverage maps, cell signal at Pumice Flat Group Camp is rated none. FCC maps show theoretical coverage — actual signal in remote or heavily forested areas may be weaker.
What season is Pumice Flat Group Camp open, and what are check-in times?+
Pumice Flat Group Camp is open May through October. Check-in is 2:00 PM, check-out is 12:00 PM.

Official resources

Print Facility MapVista Recreation
Compare campgroundsPlan a multi-stop trip
●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.

$99 /night★ 4.5 (6)
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 Pumice Flat Group Camp cost per night?+
What season is Pumice Flat Group Camp open?+
Does Pumice Flat Group Camp have hookups?+
All 7 questions →

Nearby Campgrounds

Agnew Horse Camp

MAMMOTH LAKES, CA

From $35/night

Twin Lakes Campground

Mammoth Lakes, CA

From $34/night

Lake Mary Campground

Palo Alto, CA

From $34/night

Coldwater Campground - Inyo Nf (Ca)

Mammoth Lakes, CA

From $33/night

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$99–249 /nightNo booking fees
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