84
Boiling River at Mammoth,YNP
WY
10070001
Water monitoring location. This is a water-monitoring sensor location, not a confirmed public-access or fishing point. Check access and private-property rules before you go.
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Water Quality
Updated Jul 18, 2026Source
Public monitoring source
Data age
18 hours old
Data confidence
unknown
Water Temperature54.1 °C
Water temperature directly affects fish metabolism and activity. Optimal range varies by species.