Warm Spring

Mono County County, California · Near Bridgeport
38.2030°N, 119.1180°W · 7,696 ft
77°F 7,696 ft Short Walk Camping nearby (10.3 mi)

Warm Spring flows at 77°F near Bridgeport in California's High Sierra, rising 33.5 degrees above the 43.5°F annual average in a climate of alpine severity. The modest warmth contrasts sharply with the surrounding glaciated terrain and high-elevation winters.

The spring sits at 7,696 feet on the dramatic eastern slope of the Sierra Nevada. Accessed by a 900-foot walk through transitional vegetation from sagebrush scrub to whitebark pine forest, it offers views into Robinson Creek canyon with its rushing trout streams and towering granite peaks.

History of Warm Spring

Waters at this elevation are heated by deep crustal circulation in the eastern Sierra's geothermal system, where the pull of Basin and Range extension creates faults tapping hot rock kilometers below. The Twin Lakes area nearby shows similar thermal and glacial activity.

The spring requires a short walk from the road and sits in the Inyo National Forest region near excellent hiking trails. Crags Campground lies 16.6 km away and offers access to Robinson Creek Trail and Twin Lakes recreation opportunities.

Is Warm Spring worth visiting?

Best for

  • Overnight camping trips
Warm Spring is well suited for overnight camping trips.
Monthly Climate
27°
Jan
26°
Feb
30°
Mar
37°
Apr
45°
May
59°
Jun
66°
Jul
65°
Aug
58°
Sep
47°
Oct
36°
Nov
25°
Dec
Annual Precip: 14.3 in Annual Snow: 69.3 in
Best Time to Visit
December Air 25°F · Water 77°F · +52° contrast
February Air 26°F · Water 77°F · +51° contrast
January Air 27°F · Water 77°F · +50° contrast
December offers 41°F more contrast than July
Nearby Camping
Crags Campground 10.3 mi away

Overview Crags Campground is located just 10 miles from Bridgeport, California, at an elevation of 7,000 feet. The Twin Lakes area is close by, offering boating, fishing, hiking and horseback riding opportunities.Recreation Robinson Creek offers good rainbow trout fishing and can be easily accessed from within the campground. Numerous hiking trails are in the vicinity, including the popular Robinson Creek Trail.Facilities The campground contains one group site that can accommodate up to 45 pe...

Reservable Yes
Reserve on Recreation.gov →
What to Bring
Swimsuit & towel
Water bottle Stay hydrated, especially in hot water
Warm layers Cold air before and after soaking
Camping gear Nearby camping at Crags Campground
Trash bag Pack out what you pack in
References
USGS Quad: BODIE 15 · PP 492: 119.0 · NOAA: 8.0 · AMS Map: WALKER LAKE
Frequently Asked Questions
What is the water temperature at Warm Spring?
Warm Spring has a water temperature of 77°F (25°C). This is a warm thermal spring.
Where is Warm Spring located?
Warm Spring is located in Mono County, California at 7,696 feet elevation, near Bridgeport. Coordinates: 38.2030°N, 119.1180°W.
How do I get to Warm Spring?
Warm Spring has Short Walk road access (0.2 mi from the road).
Can I camp near Warm Spring?
Yes, Crags Campground is located nearby (10.3 miles away).
Is it safe to soak at Warm Spring?
Warm Spring is generally safe for soaking at its recorded temperature. Access may be on private land or unconfirmed — verify current conditions before visiting. Always tell someone your plans before visiting remote hot springs.
Is Warm Spring crowded?
Warm Spring sees varying levels of visitors depending on the season and day of the week.
What should I bring to Warm Spring?
Essentials for Warm Spring: swimsuit, towel, water bottle, warm layers for before and after soaking, camping gear, a trash bag to pack out what you pack in.
Temperature
77°F
Warm Hot Boiling
Water Temp 77°F (25°C)
Avg Air Temp 44°F
Above Ambient +34°F
Good soaking conditions March
Access
Road Access Short Walk
Distance to Road 0.2 mi