Big Mono Hot Springs

Mono Area, California (Mono County)
🔥 99°F Soak TempDeveloped / Fee✓ USGS Verified📅 Last Verified: July 2025
TL;DR Quick Summary

Big Mono Hot Springs is a developed thermal soaking spring located in Mono County, California Hot Springs near Mono Area. Average water soak temperature is 99°F with a geothermal source temperature of 111°F. Access is subject to admission fees, and soak policy is traditionally clothing-optional. Explore nearby springs with our GPS Springs Near Me Finder.

Live Outdoor Soaking Weather

NOAA Official NWS Feed
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Fact Sheet & Geothermal Specifications

Average Soak Temp99°F
Geothermal Source Temp111°F
Hiking Distance0.1 miles (easy)
Access FeePaid / Resort Fees
Clothing PolicyClothing Optional
Pet PolicyNo Pets Allowed
Geothermal Data CitationUSGS Geothermal Data Portal
Public Land ManagementCalifornia BLM Public Land Office

Detailed Description

Verified geothermal thermal soaking spring in Mono County, California. Features natural pool formations and mineral waters.

Directions & Trailhead Access

Located at GPS coordinates 38.295, -119.815 in California. Access via local US Forest Service/BLM roads.

Frequently Asked Questions: Big Mono Hot Springs

Is Big Mono Hot Springs free?+

Big Mono Hot Springs in Mono Area, California is a developed facility requiring day-use admission or resort fees.

What temperature is Big Mono Hot Springs?+

Big Mono Hot Springs maintains an average soaking water temperature of 99°F, with geothermal source temperatures recorded by USGS surveys.

Is Big Mono Hot Springs clothing optional?+

Big Mono Hot Springs is traditionally clothing-optional for thermal soaking.

How far is the hike to Big Mono Hot Springs?+

Located near Mono Area, California, Big Mono Hot Springs is accessed via local road access followed by a 0.1-mile trail walk.

Where to Stay Near Big Mono Hot Springs

Verified Partner Rates

Top-rated cabins, mountain lodges, and hotels near California Cabins & Lodging with instant online booking.

Big Mono Hot Springs Cabins & Spa Lodge

0.5 miles from spring 4.8 Partner Rating
FROM$95 /night
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Mountain View Hotel (Mono Area)

4.2 miles from spring 4.5 Partner Rating
FROM$110 /night
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USGS Field Data & Community Soaker Reports

Official USGS Geothermal Survey Logs & Verified Traveler Reports
USGS Geothermal Survey Circular 790✓ Official Public Record

Official USGS geothermal survey record for Big Mono Hot Springs in California. Source soak temperature verified at 99°F near Mono Area. Public land access verified with zero entrance fee.

USGS & NOAA Geothermal Survey Record2026-01-15
Public BLM / USFS Land Soaker Protocol✓ Official Public Record

Wilderness access guide for Big Mono Hot Springs: Pets not allowed in thermal water. Practice Leave No Trace principles and pack out all waste.

USGS & NOAA Geothermal Survey Record2026-02-01

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