6.2/ 10
CALIFORNIA · COLD & MINERAL SPRING · 37.88636, -121.99142
Sulfur Spring
Worth a detour
Is it plungeworthy?
394ft elevation
A named spring in Contra Costa County.
The details
- Elevation
- 394 ft
- Area
- Contra Costa County
- Coordinates
- 37.88636, -121.99142
Where it is
Before you go
The pin marks the feature, not a trailhead or a legal route in. Some sit on private land or need a real hike, and conditions change with season and rain. Check local access, don't trespass, and never enter water — hot or cold — where it isn't safe.