Updated July 2026
Straight Creek Hot Spring
Do not enter this water
At 144°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
144°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
- CArrowrock Reservoir · Elmore County · 22.1 mi
- BArrowrock Reservoir · Elmore County · 23.8 mi
Nearby hot springs
- ScaldingDutch Frank Hot Spring0.5 mi · 149°F
- ScaldingBrown Creek Hot Spring2.2 mi · 122°F
- ScaldingGranite Creek Hot Spring2.4 mi · 131°F
- HotPool Creek Hot Spring6.1 mi · 108°F
- ScaldingWeatherby Hot Spring6.3 mi · 113°F
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Frequently Asked Questions
Straight Creek Hot Spring was recorded at 144°F (62°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 144°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.
Straight Creek Hot Spring is in Idaho at approximately 43.7880, -115.4440. The nearest graded lake is Arrowrock Reservoir, about 22.1 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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