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LakeQuality

Updated July 2026

Blue Joint Hot Springs 2

Recorded at 84°F (29°C) in Montana — classified Cool. Tepid water, well below body temperature — more a cool dip than a warm soak.
Recorded temperature
84°F / 29°C
Classification
Cool (below 86°F (30°C))
State
Montana
Coordinates
45.6970, -114.3650

What this number is, and is not

84°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.

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Frequently Asked Questions

Blue Joint Hot Springs 2 was recorded at 84°F (29°C), which classifies as Cool (below 86°F (30°C)). Tepid water, well below body temperature — more a cool dip than a warm soak. 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.

This page classifies a temperature; it does not tell you whether a spring can be legally or safely reached. The inventory carries no information about land ownership, access, trail conditions, or whether a usable pool exists at all — many listed springs sit on private land or inside protected thermal areas where entry is prohibited. Confirm with the managing agency before setting out.

Blue Joint Hot Springs 2 is in Montana at approximately 45.6970, -114.3650. There is no LakeQuality-graded lake within 25 miles. Coordinates come from the USGS/NOAA inventory and locate the vent, not a trailhead or parking area.

All Montana 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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