Mud Volcanoes

Imperial County County, California · Near Niland
33.3130°N, 115.6050°W · -190 ft
Warm -190 ft Open Short Walk SFW

Mud Volcanoes within the Imperial Wildlife Area demonstrate geothermal activity at 190 feet below sea level on state-protected lands managed by California Fish and Wildlife for conservation purposes.

The feature sits in a state wildlife conservation area where desert and wetland habitats merge. Warm mud pools emerge in a landscape shaped by human water management and natural thermal processes. The vegetation reflects the area's protected status, with native desert species and specialized wetland plants adapted to the alkaline soils characteristic of the Salton Trough depression.

History of Mud Volcanoes

Protected within the Imperial Wildlife Area, these mud volcanoes have historical significance both as geothermal features and as components of a complex ecological system. The warm water and mineral enrichment support specialized plant and animal communities in this desert landscape.

Access the site via a short walk (275 meters) from the nearest road. As a state wildlife area, this location requires respect for habitat protection rules; stay on designated routes and avoid disturbing wildlife. The site remains open to public access year-round, though spring and fall offer most comfortable visiting conditions.

Monthly Climate
60°
Jan
63°
Feb
70°
Mar
76°
Apr
81°
May
91°
Jun
96°
Jul
96°
Aug
90°
Sep
80°
Oct
68°
Nov
59°
Dec
Annual Precip: 2.8 in Annual Snow: 0.0 in
What to Bring
Swimsuit & towel
Water bottle Stay hydrated, especially in hot water
Sun protection Limited shade in warm climate
Trash bag Pack out what you pack in
References
USGS Quad: (WISTER 7.5) · NOAA: 8.0 · AMS Map: SALTON SEA
Frequently Asked Questions
What is the water temperature at Mud Volcanoes?
Mud Volcanoes is classified as warm. An exact temperature measurement has not been recorded.
Where is Mud Volcanoes located?
Mud Volcanoes is located in Imperial County, California at -190 feet elevation, near Niland. Coordinates: 33.3130°N, 115.6050°W.
How do I get to Mud Volcanoes?
Mud Volcanoes has Short Walk road access (0.2 mi from the road).
Is Mud Volcanoes free to visit?
Mud Volcanoes has Open access. It is managed by SFW.
Is it safe to soak at Mud Volcanoes?
Mud Volcanoes is generally safe for soaking at its recorded temperature. Always tell someone your plans before visiting remote hot springs.
Is Mud Volcanoes crowded?
Mud Volcanoes sees varying levels of visitors depending on the season and day of the week.
What should I bring to Mud Volcanoes?
Essentials for Mud Volcanoes: swimsuit, towel, water bottle, sun protection (hat, sunscreen), a trash bag to pack out what you pack in.
Temperature
Warm
Warm Hot Boiling
Avg Air Temp 78°F
Access
Open
Road Access Short Walk
Distance to Road 0.2 mi
Land
Ownership State
Agency SFW
Designation State Conservation Area
Unit Imperial Wildlife Area
Manager SFW
Protection 2 - Permanent protection, some use allowed