Big (Ash Meadows) Spring Look only
Big (Ash Meadows) Spring reads 83°F at the source (NCEI, historical reading). Managed by the Ash Meadows National Wildlife Refuge (checked 2026-08-19).
83°F / 28°C
Warm range at the source — bath-warm
Reading from the NCEI Thermal Springs List (historical reading, 1981 compilation). Source temperature — lower pools usually run cooler.
Water temperatures change with flow and season — test before entering, and never submerge your head in warm natural water. CDC guidance on Naegleria fowleri.
- Coordinates 36.375° N, 116.274° W · USGS National Map
- Land manager Ash Meadows National Wildlife Refuge — checked 2026-08-19
The rule here
This is a thermal feature to see, not a place to get in the water. The Ash Meadows National Wildlife Refuge puts it this way:
“Swimming is prohibited on the refuge. Undeveloped areas are closed to all travel including on foot (see Hunting for exception).”
— Ash Meadows National Wildlife Refuge, checked 2026-08-19
Worth knowing: On Ash Meadows National Wildlife Refuge, where visitors are held to designated boardwalks, roads signed open to foot traffic, and designated public areas. The refuge’s spring system holds endemic species found nowhere else on earth.
Nearby springs
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Jack Rabbit Spring
1 mile away · Nevada · 82°F at the source
Look only
-
Point of Rocks Springs, King Spring
2 miles away · Nevada · 91°F at the source
Look only
-
Davis Ranch Springs
2 miles away · Nevada · 81°F at the source
Look only
Identity, coordinates, and temperature quoted from the NCEI Thermal Springs List (historical reading, 1981 compilation).