Photo: Perfect Zero from Los Angeles, CA, US · CC BY 2.0More than half of Mammoth Lakes’ land is conserved: 86%
86% of Mammoth Lakes’ land is conserved, about 13,599 acres. 77 miles of mapped trail cross Mammoth Lakes, 3.1 per square mile of land. 97% of residents live within a half mile of a park.
Ahead of 96% of U.S. towns · #101 of 847 in California. What drives it
What kind of outdoors town is Mammoth Lakes?
Read from the map. The page puts what stands out first.
How much outdoors does Mammoth Lakes have?
On conserved land, trails, park land and how close residents live to a park, Mammoth Lakes is ahead of 96% of U.S. towns, #101 of 847 in California. All four inputs are above most U.S. towns; conserved land ranks highest, park acres per resident lowest.
PAD-US, OpenStreetMap (© OpenStreetMap contributors), Census 2025 Gazetteer and 2020 blocks; details in Sources below. How TownRatings grades the outdoors →
Conserved land, trails & bike routes
Tap a number to zoom to a park. Tap a layer to hide it.
Pick a walk
The longest trail network is John Muir Wilderness, with 0.1 miles. Directions go to the nearest trailhead or public parking.
Owens River Headwaters Wilderness
All 7 parks & preserves
13,599 conserved acres
86% of Mammoth Lakes’ land. Who manages Mammoth Lakes’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
Conserved doesn’t always mean open to visitors. 16 acres are conservation easements, usually private land. The walks above are places people visit.
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Inyo National Forest National Forest | U.S. Forest Service | 13,362 | Open |
| Valentine Eastern Sierra Reserve - Valentine Camp State Other or Unknown | Other state land | 147 | Restricted |
| Unnamed Site - Mammoth, Town of Local Other or Unknown | Town or city | 44 | Open |
| Shady Rest Park Local Park | Town or city | 36 | Open |
| Los Angeles Department of Water and Power Local Other or Unknown | Town or city | 33 | Open |
| Camp High Sierra Local Park | Town or city | 33 | Open |
| Mammoth Creek Park Local Park | Town or city | 10 | Open |
| Trails End Park Local Park | Town or city | 4 | Open |
| Community Center Park Local Recreation Area | Town or city | 4 | Open |
| Mammoth Lakes Holding 7 Local Other or Unknown | Town or city | 1 | Open |
2 smaller protected places aren’t shown.
39 places to go in Mammoth Lakes
Beaches, playgrounds, peaks, falls and more. Pick a kind.
Plus 3 playgrounds without a name on the map. Tap “Show all on map” to see them.
Plus 3 scenic views without a name on the map.
15 more campgrounds
25 named trails and 9 lakes & rivers
15 more trails
77 miles of bike routes
Bike lanes are often missing from the map in smaller towns, so that number is likely low.
Includes school and college facilities, which aren’t always open to the public.
The best walking months in Mammoth Lakes: June to August
NOAA’s 1991–2020 normals for the town and the daylight at its latitude. Outlined months have long days, highs of 59 to 86 °F and little rain for the place.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 9.8 | 10.7 | 11.9 | 13.1 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.1 | 10.1 | 9.6 |
| High (°F) | 40 | 39 | 43 | 47 | 54 | 65 | 72 | 71 | 66 | 55 | 46 | 39 |
| Rain (in) | 4.2 | 3.9 | 3.5 | 1.8 | 1.4 | 0.5 | 0.7 | 0.4 | 0.5 | 1.3 | 2.2 | 4.0 |
August is the driest month (0.4 in) and July the warmest (highs of 72 °F). 4.2 inches fall in January, the wettest month. The climate in Mammoth Lakes →
Questions about parks and trails in Mammoth Lakes
Where can I hike in Mammoth Lakes?
The longest trail networks: John Muir Wilderness, 0.1 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
How much of Mammoth Lakes is conserved land?
86% of its land, against a typical 4% for a California town and 4% nationally (PAD-US). Conserved doesn’t always mean open to visitors: easements are usually private land.
Are dogs allowed on Mammoth Lakes’ trails?
John Muir Wilderness and Shady Rest Park don’t have dog rules recorded on the map; check the signs at the trailhead.
Where can I bike in Mammoth Lakes?
77 miles of bike routes are on the map: 1.6 of painted or protected lanes, 75 of off-road paths and 0.7 of shoulders and shared lanes. Named routes: Horseshoe Lake Trail.
Is there public land near Mammoth Lakes?
151,071 acres of parks and open public land lie inside Mammoth Lakes or within 10 miles of it (PAD-US), 8,875 of them inside the town line.
How much outdoors does Mammoth Lakes have?
Ahead of 96% of U.S. towns on the Outdoors grade, #101 of 847 in California. The grade combines the share of land that is conserved, miles of mapped trail per square mile of land, park acres per 1,000 residents and the share of residents within a half mile of a park. It’s a character grade, so it isn’t part of the overall grade. How it works.
Trail talk
Conditions, parking and favorite walks from Mammoth Lakes neighbors.
Where this page comes from
Conserved and public land: USGS Protected Areas Database of the United States (PAD-US), service updated July 2026. Parks, trails, playgrounds, beaches and other places: OpenStreetMap (© OpenStreetMap contributors, ODbL), map data as of 2026-10-28. Land and water area: Census 2025 Gazetteer. Residents near a park: 2020 Census blocks. National Register: National Park Service. How TownRatings grades the outdoors →