# Unnamed thermal spring, California

Unnamed thermal spring in California. 108°F (42°C). Roadside. San Luis Obispo County.

- Page: https://www.soakingsprings.com/hot-springs/california/unnamed-spring-san-luis-obispo-county
- Source: Soaking Springs, researched and maintained by Armen Suny
- Updated: 2026-09-14

## Can you soak at this spring?

The water leaves the ground at 108°F, a comfortable soaking temperature. You can drive right up to it. We haven't confirmed whether it has a pool or charges a fee.

## Key facts

| Fact | Value |
|---|---|
| Source water temperature | 108°F (42°C) (USGS record; developed pools are often cooled) |
| Elevation | 675 ft |
| Access | Roadside, 63 ft from the nearest road |
| County | San Luis Obispo County |
| Nearest town | Paso Robles |
| Coordinates | 35.64900, -120.68700 |
| Best months to soak | December, January, February (largest gap between water and average air temperature) |
| Nearest campground | CERRO ALTO CAMPGROUND, 15.6 mi |

## About Unnamed thermal spring

San Luis Obispo County has this unnamed thermal point about five miles from Paso Robles. The water runs soaking warm on the hotter side, and it sits within sixty-some feet of a road. Nothing on file names an owner, and access is unlisted. Warm water this close to Paso Robles with no access record is the kind of spot worth a phone call before a drive.

Low, dry country under 700 feet, with no snow and light winter rain. Sixty-odd feet from the closest road; whatever road that is, the record does not name it. Ownership is a blank and there is no unit or designation. Cerro Alto Campground, about sixteen miles away, is the closest camp listed.

Midwinter, per the record. Roadside. Camping at Cerro Alto is a drive of about sixteen miles. The water is close to bath-hot, so check it before you get in. Access and ownership are unknown; find out who controls it. No fee recorded.

## Nearby

- Nearest city page: [Hot springs near El Paso de Robles](https://www.soakingsprings.com/hot-springs/near/california/el-paso-de-robles), 2 mi away
- State page: [Hot springs in California](https://www.soakingsprings.com/hot-springs/california)
- [Paso Robles Artesian Spring, CA](https://www.soakingsprings.com/hot-springs/california/paso-robles-artesian-spring): 102°F source, Roadside, near Paso Robles, San Luis Obispo County
- [Paso Robles Hot Springs, CA](https://www.soakingsprings.com/hot-springs/california/paso-robles-hot-springs): Roadside, near Paso Robles, San Luis Obispo County
- [Santa Ysabel Springs (Sulphur Spr), CA](https://www.soakingsprings.com/hot-springs/california/santa-ysabel-springs-sulphur-spr): 92°F source, Short Walk, near Paso Robles, San Luis Obispo County
- [Franklin Hot Springs, CA](https://www.soakingsprings.com/hot-springs/california/franklin-hot-springs): Roadside, near Paso Robles, San Luis Obispo County
- [Table Mountain (Spring), CA](https://www.soakingsprings.com/hot-springs/california/table-mountain-spring): 88°F source, Roadside, near Coalinga, Fresno County
- [Pecho Warm Springs, CA](https://www.soakingsprings.com/hot-springs/california/pecho-warm-springs): 95°F source, Short Walk, near Los Osos, San Luis Obispo County

## Questions

**What is the water temperature at ?**
 has a water temperature of 108°F (42°C). This is considered a hot spring, well above body temperature.

**Where is  located?**
 is located in San Luis Obispo County, California at 675 feet elevation, near Paso Robles. Coordinates: 35.6490°N, 120.6870°W.

**How do I get to ?**
 has Roadside road access (63 ft from the road).

**Can I camp near ?**
Yes, Cerro Alto Campground is located nearby (15.6 miles away).

## Sources

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