# Lone Tree Mineral Spring, California

Lone Tree Mineral Spring in California. 73°F (23°C). Roadside. San Joaquin County.

- Page: https://www.soakingsprings.com/hot-springs/california/lone-tree-mineral-spring
- Source: Soaking Springs, researched and maintained by Armen Suny
- Updated: 2026-09-14

## Can you soak at Lone Tree Mineral Spring?

The water leaves the ground at 73°F, about as warm as a heated pool. 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 | 73°F (23°C) (USGS record; developed pools are often cooled) |
| Elevation | 868 ft |
| Access | Roadside, 4 ft from the nearest road |
| County | San Joaquin County |
| Nearest town | Tracy |
| Coordinates | 37.57300, -121.44500 |
| Best months to soak | December, January, February (largest gap between water and average air temperature) |

## About Lone Tree Mineral Spring

Lone Tree Mineral Spring in San Joaquin County sits about eleven miles outside Tracy. The water is barely warm, well under body temperature, so the interest here is mineral, if there is any. Nobody has recorded who owns it or if the public can go there. No photo is attached. The row lists no campground and gives no chemistry.

Four feet from the road, according to the record, road unnamed. Elevation is low, under a thousand feet, in low country with no snow and light rain. Nothing marks the land unit or owner, and no designation is attached. Nothing in the row says what the spring looks like on the ground.

Winter is listed as best, and the climate allows any month. The water cannot burn you, and most people would not call it a soak. Who owns the ground is unknown; being this close to a road it could easily be private frontage, so look for posting.

## Nearby

- Nearest city page: [Hot springs near Tracy](https://www.soakingsprings.com/hot-springs/near/california/tracy-san-joaquin), 11 mi away
- State page: [Hot springs in California](https://www.soakingsprings.com/hot-springs/california)
- [Salt Grass Springs, CA](https://www.soakingsprings.com/hot-springs/california/salt-grass-springs): 73°F source, Short Walk, near Patterson, Stanislaus County
- [Crohare Spring, CA](https://www.soakingsprings.com/hot-springs/california/crohare-spring): 70°F source, Short Walk, near Livermore, Alameda County
- [Byron Hot Springs, CA](https://www.soakingsprings.com/hot-springs/california/byron-hot-springs): 96°F source, Short Walk, near Byron, Contra Costa County
- [Mineral Springs, CA](https://www.soakingsprings.com/hot-springs/california/mineral-springs): 84°F source, Short Walk, near East Foothills, Santa Clara County
- [Alameda Warm Springs, CA](https://www.soakingsprings.com/hot-springs/california/alameda-warm-springs): 80°F source, Short Walk, near Milpitas, Santa Clara County
- [Gilroy Hot Springs, CA](https://www.soakingsprings.com/hot-springs/california/gilroy-hot-springs): 106°F source, Roadside, near San Martin, Santa Clara County

## Questions

**What is the water temperature at Lone Tree Mineral Spring?**
Lone Tree Mineral Spring has a water temperature of 73°F (23°C). This is a warm thermal spring.

**Where is Lone Tree Mineral Spring located?**
Lone Tree Mineral Spring is located in San Joaquin County, California at 868 feet elevation, near Tracy. Coordinates: 37.5730°N, 121.4450°W.

**How do I get to Lone Tree Mineral Spring?**
Lone Tree Mineral Spring has Roadside road access (4 ft from the road).

## Sources

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