Natural hot spring · California
Mono Basin Warm Springs
Mono County, California · 27 miles north of Mammoth Lakes, CA
Last updated
- Type
- Natural Natural hot spring
- Water temperature
- 88°F (31°C) at the source
- Cost
- Not recorded
- Hours or season
- Not recorded
- Clothing
- Not recorded
- Nearest town
- Mammoth Lakes, CA (27 mi / 43 km)
- Coordinates
- Pools or sources
- 1
- Historical record only: this spring has not been confirmed on the ground since 1981 and may be on private land.
About Mono Basin Warm Springs
Mono Basin Warm Springs is a natural hot spring in Mono County, California, about 27 miles north of Mammoth Lakes, CA. The nearest large city is Carson City, NV, roughly 91 miles away as the crow flies.
The temperature at the source has been recorded at 88°F (31°C). That puts it in the "warm" range. Comfortable for long soaks, like a warm bath that has cooled a little.
It is a natural spring with little or no development. Some natural springs have rock pools you can sit in, while others are too hot, too shallow or on land where soaking is not allowed.
This spring comes from the US federal Thermal Springs List compiled in 1981. Nobody has confirmed it on the ground for this directory since, so treat the details as historical. Many springs on that list sit on private ranch land, so never visit without permission.
Water temperature
Warm. Comfortable for long soaks, like a warm bath that has cooled a little.
Readings come from the NOAA thermal springs list, and other public sources. Temperatures change with season, flow and pool design. See our soak temperature guide for safe soaking times.
Map and directions
Red marks Mono Basin Warm Springs. Other colored dots are nearby springs in this directory. Coordinates: 38.03300, -118.90200.
Getting there
- Nearest town: Mammoth Lakes, CA. The spring is about 27 miles (43 km) north of town in a straight line.
- Nearest large city: Carson City, NV, about 91 miles (146 km) in a straight line.
- Planning from a city? See hot springs near Fresno, CA.
- Use the directions buttons above for a driving route. Final roads to many springs are unpaved, seasonal or closed in winter, so check road conditions before you go.
Weather forecast
Live forecast for this exact spot from the US National Weather Service.
Hot springs near Mono Basin Warm Springs
- Travertine Hot Spring 180°F
- Little Creek Hot Springs 180°F
- Alkali Hot Springs 135°F
- Boiling Lake 199°F
- Crab Cooker Hot Springs 167°F
- Hilltop Hot Spring Not recorded
Before you go
- Check the operator, land manager or park website for current hours, fees and closures. Details in any directory can go out of date.
- Pack out everything you bring, including food scraps. Do not use soap in natural pools.
- Keep your head above water. Warm fresh water can carry Naegleria fowleri, a rare but deadly amoeba that enters through the nose.
- Drink water, limit soaks to 10 to 20 minutes at a time in very hot water, and skip alcohol.
- Read our hot spring etiquette guide and safety guide.
Frequently asked questions
How hot is Mono Basin Warm Springs?
The temperature at the source has been recorded at 88°F (31°C), which is warm. Comfortable for long soaks, like a warm bath that has cooled a little.
Where is Mono Basin Warm Springs?
Mono Basin Warm Springs is in Mono County, California, about 27 miles north of Mammoth Lakes, CA. The GPS coordinates are 38.0330, -118.9020.
Can you soak at Mono Basin Warm Springs?
Natural springs vary. Some have pools built by visitors, others are too hot or shallow, and some are on private land or in areas where bathing is banned. Check local rules and test the water before you get in.
What hot springs are near Mono Basin Warm Springs?
The closest listed spring is Travertine Hot Spring, about 22 miles northwest. Little Creek Hot Springs is about 24 miles away.
What should I bring to a hot spring?
Water to drink, a towel, sandals with grip, a bag to pack out trash, and warm layers for after your soak. At primitive springs bring a headlamp and tell someone where you are going.
Sources and corrections
This listing combines the NOAA NCEI Thermal Springs List. Data last refreshed August 2026. Source 1
Visited recently? Send a correction, such as a temperature reading, fee, closure or photo. If you look after this spring and want it removed, see removal requests.