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Every Hot Spring

Hot Spring near Boulder City

Hot Spring is a primitive, undeveloped hot spring near Boulder City in Mohave County, Arizona. Water at the source is recorded at 86°F (30°C). Records place it on public land.

86°F30°C recorded at the source
Warm: pleasant on a hot day, cool in winter.

Arizona (Ringbolt) Hot Springs is a group of three geothermal springs in White Rock Canyon of the Black Canyon of the Colorado River, below Hoover Dam in Lake Mead National Recreation Area. Water emerges at 110 degrees F, drops over a 25-foot waterfall and collects in gravel-bottomed rock pools reached by a ladder; the National Park Service closes the trail in summer because of extreme heat.

Facts

Coordinates
35.9605, -114.7255 (Google Maps, OSM)
Source temperature
86°F (30°C)
Access
Public land
Type
Primitive (undeveloped)
Fee
Not recorded
Clothing optional
Not recorded
Nearest town
Boulder City
State
Arizona
Data sources
NOAA NCEI, OpenStreetMap, Wikidata, Official sources (linked below). See sources

Map

Larger marker is Hot Spring; smaller markers are other springs within 50 miles.

Quick answers

Can you soak at Hot Spring?
Records place Hot Spring on public land. That is not a guarantee of current access: closures, fire restrictions and road conditions change, so check with the land manager before you go.
How hot is Hot Spring?
The hottest recorded reading at the source is 86°F (30°C). That is the outlet temperature, not a pool temperature; water cools as it flows away from the source.
Where is Hot Spring?
Hot Spring is near Boulder City in Mohave County, Arizona, at coordinates 35.9605, -114.7255.
What other hot springs are near Hot Spring?
The closest listed springs, in straight-line distance, are Arizona (Ringbolt) Hot Springs, under 1 mi; Ringbolt Hot Spring, under 1 mi; and Hot Spring (Clark County), 1 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.

Checked against

  1. Wikipediaen.wikipedia.org/wiki/Arizona_(Ringbolt)_Hot_Springs

Merged from

  1. NOAA NCEI Thermal Springs List (archived 2025): survey location and source temperature, public domain
  2. OpenStreetMap: mapped feature and its tags, ODbL
  3. Wikidata: name, county and website, CC0