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Every Hot Spring

Imperial Geyser, Spray Geyser

Imperial Geyser, Spray Geyser is a geothermal spring in Wyoming. Water at the source is recorded at 192°F (89°C), hot enough to scald. It is documented as closed to soaking and is listed for reference only.

192°F89°C recorded at the source
Scalding at the source. Do not enter without a cooled, mixed pool.

Imperial Geyser, Spray Geyser is a thermal feature inside Yellowstone National Park. Swimming or bathing in any water of entirely thermal origin is prohibited in the park, and hydrothermal areas may be viewed only from boardwalks and designated trails.

Facts

Coordinates
44.5320, -110.8740 (Google Maps, OSM)
Source temperature
192°F (89°C)
Access
Public land
Type
Unknown
Fee
Not recorded
Clothing optional
Not recorded
Nearest town
Not recorded
State
Wyoming
Data sources
NOAA NCEI, Official sources (linked below). See sources

Map

Larger marker is Imperial Geyser, Spray Geyser; smaller markers are other springs within 50 miles.

Quick answers

Can you soak at Imperial Geyser, Spray Geyser?
No. Imperial Geyser, Spray Geyser is documented as closed to soaking or off-limits to bathing. It is listed for reference only; see the sources on this page.
How hot is Imperial Geyser, Spray Geyser?
The hottest recorded reading at the source is 192°F (89°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 Imperial Geyser, Spray Geyser?
Imperial Geyser, Spray Geyser is in Wyoming, at coordinates 44.5320, -110.8740.
What other hot springs are near Imperial Geyser, Spray Geyser?
The closest listed springs, in straight-line distance, are Fairy Springs, 1 mi; Springs on Fairy Creek, 2 mi; and Opal Pool, 2 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. National Park Servicenps.gov/yell/planyourvisit/safety.htm
  2. National Park Servicenps.gov/yell/learn/management/lawsandpolicies.htm

Merged from

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