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Every Hot Spring

Arrowhead Springs, Waterman Hot Spr

Arrowhead Springs, Waterman Hot Spr is a geothermal spring in California. Water at the source is recorded at 194°F (90°C), hot enough to scald.

194°F90°C recorded at the source
Scalding at the source. Do not enter without a cooled, mixed pool.

Facts

Coordinates
34.1850, -117.2620 (Google Maps, OSM)
Source temperature
194°F (90°C)
Access
Unknown
Type
Unknown
Fee
Not recorded
Clothing optional
Not recorded
Nearest town
Not recorded
Data sources
NOAA NCEI. See sources

Map

Larger marker is Arrowhead Springs, Waterman Hot Spr; smaller markers are other springs within 50 miles.

Quick answers

How hot is Arrowhead Springs, Waterman Hot Spr?
The hottest recorded reading at the source is 194°F (90°C). That is the outlet temperature, not a pool temperature; water cools as it flows away from the source. Water this hot can cause serious burns, so test any pool by hand first.
Where is Arrowhead Springs, Waterman Hot Spr?
Arrowhead Springs, Waterman Hot Spr is in California, at coordinates 34.1850, -117.2620.
What other hot springs are near Arrowhead Springs, Waterman Hot Spr?
The closest listed springs, in straight-line distance, are Hot Spring (San Bernardino County), under 1 mi; Urbita Hot Springs, 7 mi; and Hot Springs (San Bernardino County), 11 mi.

Before you go

  • Temperatures are measured at the source and can be far hotter than any soaking pool. Test with a hand before stepping in.
  • Access, fees, and road conditions change. Verify with the land manager or owner; "public" here reflects survey records, not a current right of entry.
  • Water in natural springs is untreated. Keep your head above water and avoid soaking with open wounds. Some springs carry Naegleria fowleri risk.
  • Pack out everything, including soap residue. Many springs have been closed because of trash and overcrowding.

Sources

Dataset last rebuilt October 11, 2026. Not yet checked on site by a person. Access, fee, clothing and closure details appear only when a source below states them. How this data is built.

Merged from

  1. NOAA NCEI Thermal Springs List (archived 2025): survey location and source temperature, public domain