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Grand Teton NP, Wyoming
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The warm waters of Kelly Warm Springs have become an unexpected habitat for tropical fish species, likely released by aquarium owners.
The water temperature at Kelly Warm Springs remains consistently warm, averaging around 81°F (27°C) year-round, making it a unique thermal feature in the area.
The warm springs are heated by geothermal activity, a reminder of the volcanic forces that shaped the region millions of years ago.
The warm waters attract a variety of wildlife, including moose and waterfowl, especially during the colder months.
Despite its inviting warmth, swimming in Kelly Warm Springs is discouraged due to the presence of harmful bacteria and the delicate ecosystem.
