Twin Lakes Campground
Inyo National Forest — lakeside, fishing, hiking
Location: Mammoth Lakes, CA, CA
Price: From $34 per night
Rating: 4.5 out of 5 (568 reviews)
Season: Year-round
Twin Lakes Campground is located in the eastern Sierra Nevada Mountains near the town of Mammoth Lakes, California. It offers lakeside camping with breathtaking scenery and many outdoor activities. The lake is a great base for fishing, boating, viewing waterfalls and hiking, and offers close proximity to the town’s amenities.This is a large facility with campsites split into two sections on either side of Twin Lakes.
Cell coverage (FCC estimate): moderate signal. Actual signal may vary in remote areas. Best carrier: T-Mobile. Verizon 4G: 100%. AT&T 4G: 0%. T-Mobile 4G: 100%.
Amenities: Fire Rings, Picnic Tables, Flush Toilets, Drinking Water, Showers, Electric Hookups, Fishing
Availability alerts: Set a free cancellation alert at camperwatch.org/campground/twin-lakes-campground to be notified when sites open up.
Lakeside camping in the eastern Sierra Nevada with breathtaking scenery near Mammoth Lakes. Highly rated (4.7/5 stars) with praise for attentive camp hosts and excellent location proximity to town amenities while remaining secluded.
Wildlife alert: American Black Bear, North American Porcupine, Mule Deer, Mountain Garter Snake, and various birds including Steller's Jay and Common Raven documented within 8km.
Insider tips for Twin Lakes Campground: Book early — this is a federal campground with high demand. Call ahead if arriving late; reviewers noted sparse Friday evening availability in peak season. No hookups at most sites — ensure RV is self-contained if planning to stay.
Skip Twin Lakes Campground if: Require full RV hookups — no hookups available at most sites.. Need flexibility — federal campground requires advance reservations..
Best time to visit Twin Lakes Campground: Year-round — Campground operates year-round, though seasonal operations noted — verify availability for off-peak months..
Nearby campgrounds: Lake Mary Campground (Palo Alto, CA), Coldwater Campground - Inyo Nf (Ca) (Mammoth Lakes, CA), New Shady Rest Campground (Mammoth Lakes, CA), Sherwin Creek (MAMMOTH LAKES, CA).
Cell Phone Coverage at Twin Lakes Campground
Cell signal at Twin Lakes Campground (Mammoth Lakes, CA): moderate overall signal based on FCC broadband data. Best carrier: T-Mobile.
- Verizon 4G LTE: 100% coverage
- T-Mobile 4G LTE: 100% coverage
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.
Twin Lakes Campground is located in the eastern Sierra Nevada Mountains near the town of Mammoth Lakes, California. It offers lakeside camping with breathtaking scenery and many outdoor activities. The lake is a great base for fishing, boating, viewing waterfalls and hiking, and offers close proximity to the town’s amenities.This is a large facility with campsites split into two sections on either side of Twin Lakes.
Verified facts
RIDB / Recreation.gov official databaseAmenities
RIDB /facilities /campsites · owner-verifiedStraight talk
CamperWatch intel · curated from camper reportsKnown issues, each with the workaround. Read before you book.
Insider tips & when to go
CamperWatch intel · hand-curated entryBook early
this is a federal campground with high demand.
Call ahead if arriving late; reviewers noted sparse Friday evening availability in peak season.
No hookups at most sites
ensure RV is self-contained if planning to stay.
Campground operates year-round, though seasonal operations noted — verify availability for off-peak months.
Things to do nearby
RIDB /activities /recareas + intelConditions today
LiveCell signal
FCC BDC · quarterly datasetFCC maps are theoretical — camper reports confirm signal. Best carrier: T-Mobile.
Wildlife nearby
iNaturalist · research-grade · 8 kmLocation
Leaflet · OpenStreetMap tiles
Getting there →
The campground is 320 miles north of Los Angeles and 180 miles south of Reno, Nevada. Follow U.S. Highway 395 to the junction of State Highway 203. Turn west on 203 and drive 7 miles through the town of Mammoth Lakes. Highway 203 becomes Main Street, and then becomes Lake Mary Road, which leads to the Lakes Basin. Continue on Lake Mary Road to the Twin Lakes cutoff.
Campground entrance
Google Maps APICommunity
#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, speakableHow much does Twin Lakes Campground cost per night?+
What season is Twin Lakes Campground open?+
Does Twin Lakes Campground have hookups?+
What is the maximum RV length at Twin Lakes Campground?+
How do I make reservations at Twin Lakes Campground?+
What is the cell service like at Twin Lakes Campground?+
What season is Twin Lakes Campground open, and what are check-in times?+
Official resources
●Data sources on this page
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