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LakeQuality

Updated July 2026

Pincock (Green Canyon) Hot Springs

Recorded at 111°F (44°C) in Idaho — classified Hot. Hotter than the 104°F limit health agencies recommend — too hot for many people, with a real risk of overheating and burns. Test the water and keep exposure short, if you enter at all.

Hotter than recommended

At 111°F this is above the 104°F ceiling the CDC and CPSC recommend for hot water. Overheating and burns are a real risk. Test the water and keep exposure short, if you enter at all.

Recorded temperature
111°F / 44°C
Classification
Hot (104–113°F (40–45°C))
State
Idaho
Coordinates
43.7910, -111.4350

What this number is, and is not

111°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

Nearby hot springs

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Frequently Asked Questions

Pincock (Green Canyon) Hot Springs was recorded at 111°F (44°C), which classifies as Hot (104–113°F (40–45°C)). Hotter than the 104°F limit health agencies recommend — too hot for many people, with a real risk of overheating and burns. Test the water and keep exposure short, if you enter at all. 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 111°F the question is largely settled by the temperature itself: this is above the 104°F ceiling health agencies recommend for hot water. Overheating and burns are a real risk at this temperature. Separately, this inventory records no information about land ownership, legal access, or whether a usable pool exists.

Pincock (Green Canyon) Hot Springs is in Idaho at approximately 43.7910, -111.4350. The nearest graded lake is Ririe Reservoir, about 21.1 miles away. Coordinates come from the USGS/NOAA inventory and locate the vent, not a trailhead or parking area.

All Idaho hot springs →Hot springs by state →Lake water temperature →

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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