Campground
Inyo National Forest, California
Some campsites have views of the breathtaking scenery surrounding the campground, including Lake Mary and some of the 9,000 and 10,000' peaks in the John Muir Wilderness.
The campground straddles the road at the northwest end of Lake Mary, and offers four loops of closely-spaced campsites.
The campground is within walking distance of the lake, and some sites have a view of the water.
Know before you arrive
Official facility and campsite inventory, supplemented by clearly marked community reports when the official listing does not publish the detail.
Community-reported service can change with terrain, weather, congestion, and carrier coverage.
Official campground guide
Facility information, site rules, booking windows, and published rates. Source snapshot checked Oct 18, 2026.
Lake Mary is the star of the Mammoth Lakes region. Of the 11 lakes in the area, Mary is the largest and most developed. Lake Mary Campground is a large facility with plenty of amenities in and around it. The lake provides a great base for activities like fishing, viewing waterfalls, hiking and backpacking.
The campground straddles the road at the northwest end of Lake Mary, and offers four loops of closely-spaced campsites. The campground is within walking distance of the lake, and some sites have a view of the water.
Lake Mary receives the highest number of trout stocks in the Mammoth Lakes Basin, and is well-known to anglers for its rainbow, brook and brown trout fishing. No swimming or wading is allowed in the lake.
Though no hiking trails begin in the campground, several interesting trails offer a variety of hikes nearby, including day hiking and backpacking trails into the rustic John Muir Wilderness.
The campground lies among lodgepole pine trees at an elevation of 8,900 feet. Some campsites have views of the breathtaking scenery surrounding the campground, including Lake Mary and some of the 9,000 and 10,000' peaks in the John Muir Wilderness.
The Eastern Sierra Nevada Mountains are abundant with wildlife, including black bear, mountain lions, mule deer, pine marten, pika and many species of fish and birds.
Mammoth Lakes Basin contains several additional popular lakes to explore for fishing and boating.
Visitors can also access the magnificent John Muir Wilderness nearby, which stretches 100 miles along the crest of the Sierra Nevadas, a land of lofty snow-capped mountains, deep canyons and vast expanses of glacially-carved terrain. Hiking and horseback riding trails are abundant.
What Recreation.gov or the campground’s official source specifically lists.
Published inventory grouped by site type. Individual sites can have stricter limits.
Facility rules, inventory procedures, and price seasons published by the official source.
Recreation.gov publishes a rolling booking window. The dates below are the official snapshot captured for this catalog build.
| Season | Site type | Nightly rate | Additional person | Deposit |
|---|---|---|---|---|
| Peak SeasonMay 22, 2026 – Sep 26, 2026 | Standard Non-Electric | $34 | — | — |
| Peak SeasonMay 28, 2027 – Sep 25, 2027 | Standard Non-Electric | $34 | — | — |
| Peak SeasonMay 26, 2028 – Sep 23, 2028 | Standard Non-Electric | $34 | — | — |
Read these with current closure and fire notices before departure.
Take U.S. 395 to Mammoth Junction and Highway 203. Turn west on Highway 203 and drive through the town of Mammoth Lakes to the junction of Minaret Road/Highway 203 and Lake Mary Road. Continue straight through the intersection and drive 3.6 miles to Lake Mary Loop Drive. Turn right and drive 0.5 miles to the campground entrance.