Updated July 2026
Mount Princeton Hot Springs
Do not enter this water
At 133°F this water is at or above the temperature that causes serious burns within seconds. Springs in this range are frequently vents, geysers, or boiling pools and are for viewing only.
What this number is, and is not
133°F is the maximum surface temperature measured at the vent during the USGS/NOAA thermal springs survey (1965–1980). It is not a current reading, and the temperature of any pool downstream of a vent is almost always lower.
This page also records nothing about access. Land ownership, legal entry, trail conditions, and whether a usable pool exists are all outside this dataset. Confirm with the managing agency before setting out.
Graded lakes within 25 miles
- BAntero Reservoir · Park County · 22.4 mi
Nearby hot springs
- ScaldingHortense Hot Spring0.9 mi · 181°F
- ScaldingCottonwood Hot Springs6.5 mi · 136°F
- CoolBrowns Canyon Warm Spring8 mi · 77°F
- CoolBrowns Grotto Warm Spring8.4 mi · 73°F
- ScaldingPoncha Hot Springs16.9 mi · 160°F
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Frequently Asked Questions
Mount Princeton Hot Springs was recorded at 133°F (56°C), which classifies as Scalding (above 113°F (45°C)). Dangerously hot: at or above 113°F, water can cause serious burns within seconds. Many springs this hot are vents, geysers, or boiling pools meant for viewing only — do not enter. That figure is the maximum surface temperature measured at the vent during the USGS/NOAA survey between 1965–1980 — not a current reading, and not the temperature of any pool downstream of the vent.
We can't tell you that, and at 133°F the question is largely settled by the temperature itself: this is above the 104°F ceiling health agencies recommend for hot water. At this temperature water can cause serious burns within seconds, and springs this hot are frequently vents or boiling pools meant for viewing only. Separately, this inventory records no information about land ownership, legal access, or whether a usable pool exists.
Mount Princeton Hot Springs is in Colorado at approximately 38.7330, -106.1620. The nearest graded lake is Antero Reservoir, about 22.4 miles away. Coordinates come from the USGS/NOAA inventory and locate the vent, not a trailhead or parking area.
Source: USGS/NOAA Thermal Springs List for the United States, via PANGAEA (CC-BY-4.0). Compilation: USGS Waring 1965 / Muffler 1979 + NOAA NGDC KGRD-12 (1980).
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