# Blank Spring, Manzanita Mine Sprs, California

Blank Spring, Manzanita Mine Sprs in California. 112°F (45°C). Roadside · Public Land. Lake County.

- Page: https://www.soakingsprings.com/hot-springs/california/blank-spring-manzanita-mine-sprs
- Source: Soaking Springs, researched and maintained by Armen Suny
- Updated: 2026-09-14

## Can you soak at Blank Spring, Manzanita Mine Sprs?

The water leaves the ground at 112°F, a comfortable soaking temperature. You can drive right up to it. It's on Bureau of Land Management land. We haven't confirmed whether it has a pool or charges a fee.

## Key facts

| Fact | Value |
|---|---|
| Source water temperature | 112°F (45°C) (USGS record; developed pools are often cooled) |
| pH | 6.7 (Slightly Acidic) |
| Elevation | 1,721 ft |
| Access | Roadside · Public Land, 152 ft from the nearest road |
| Land | Ukiah Field Office, Bureau of Land Management |
| County | Lake County |
| Nearest town | Clearlake |
| Coordinates | 39.03200, -122.43200 |
| Best months to soak | January, December, February (largest gap between water and average air temperature) |
| Nearest campground | Little Stony, 19.2 mi |

## About Blank Spring, Manzanita Mine Sprs

The record carries this one under two names, Blank Spring and Manzanita Mine Springs. It is a hot spring on BLM land in Lake County, under the Ukiah Field Office, about twelve miles from Clearlake. The water is hot, a touch above comfortable soaking temperature. Access is open. A USGS sample from 2015 puts the water slightly on the acid side of neutral.

Roadside, a hundred fifty feet off a road nobody has named. Elevation here is a shade over seventeen hundred feet, in country that gets wet winters and only a dusting of snow most years. Public land, no special designation, and the Field Office in Ukiah is the office to call with questions.

Winter gets the nod for best months. Little Stony is the camping option on file, nineteen miles. Water this hot can be uncomfortable to enter and worth testing with a hand first. The chemistry reading is recent as these things go, from a 2015 sample. No charge is recorded.

## Water chemistry

Lab sample from 2015-11-16 (Water Quality Portal).

| Measure | Value |
|---|---|
| pH | 6.7 |

## Nearby

- Nearest city page: [Hot springs near Clearlake Oaks](https://www.soakingsprings.com/hot-springs/near/california/clearlake-oaks), 12 mi away
- State page: [Hot springs in California](https://www.soakingsprings.com/hot-springs/california)
- [Jones Fountain Of Life Spring, CA](https://www.soakingsprings.com/hot-springs/california/jones-fountain-of-life-spring): 142°F source, pH 6.7, Roadside, near Clearlake, Lake County
- [Wilbur Springs, CA](https://www.soakingsprings.com/hot-springs/california/wilbur-springs): 153°F source, pH 6.7, Roadside, near Clearlake, Lake County
- [Abbott Mine, CA](https://www.soakingsprings.com/hot-springs/california/abbott-mine): 86°F source, pH 6.7, Short Walk, near Clearlake, Lake County
- [Elgin Mine, CA](https://www.soakingsprings.com/hot-springs/california/elgin-mine): 156°F source, Short Walk, near Clearlake, Lake County
- [Grizzly Spring, CA](https://www.soakingsprings.com/hot-springs/california/grizzly-spring): 68°F source, Roadside, near Clearlake, Lake County
- [Sulphur Spring, CA](https://www.soakingsprings.com/hot-springs/california/sulphur-spring-1): 68°F source, Short Walk, near Clearlake Oaks, Lake County

## Questions

**What is the water temperature at Blank Spring, Manzanita Mine Sprs?**
Blank Spring, Manzanita Mine Sprs has a water temperature of 112°F (45°C). This is considered a hot spring, well above body temperature.

**Where is Blank Spring, Manzanita Mine Sprs located?**
Blank Spring, Manzanita Mine Sprs is located in Lake County, California at 1,721 feet elevation, near Clearlake. Coordinates: 39.0320°N, 122.4320°W.

**How do I get to Blank Spring, Manzanita Mine Sprs?**
Blank Spring, Manzanita Mine Sprs has Roadside road access (152 ft from the road).

**Is Blank Spring, Manzanita Mine Sprs free to visit?**
Blank Spring, Manzanita Mine Sprs has Open access. It is managed by Bureau of Land Management.

**Can I camp near Blank Spring, Manzanita Mine Sprs?**
Yes, Little Stony is located nearby (19.2 miles away).

**What minerals are in the water at Blank Spring, Manzanita Mine Sprs?**
Water chemistry analysis shows the presence of pH. The pH is 6.7 (slightly acidic).

**Is it safe to soak at Blank Spring, Manzanita Mine Sprs?**
With care. At 112°F Blank Spring, Manzanita Mine Sprs is hot enough to need short sessions, fifteen to twenty minutes, and plenty of water. Enter slowly and get out if you feel light-headed.

## Sources

- USGS thermal springs records, Water Quality Portal lab analyses, OpenStreetMap, Wikipedia/Wikidata, NOAA climate normals