Located about 50 miles south of Red Lodge and Billings, MT, in the Pryor Mountains, this remote interpretive site has a short walk (0.2 miles) down a steep path to a wooden platform. You can view the always present ice floor in the first room of the cave.
The Big Ice Cave is a single chamber of the ice cellar type, with a steep entrance which goes down into a huge chamber. This rock formation results in a cold trap, as cold air is heavier than warm air. In winter the cold air “flows” into the cave, in summer it stays there. This works similar to refrigerators in the supermarket, which keep their content frozen although they have no lids. This simple physical effect is the reason why this cave contains ice and icicles year round.
The cave is located in the Pryor Mountains, which are riddled with several other caves throughout the range. The most visited is Big Ice Cave.
On the way to and from the cave enjoy other mountain vistas and wildlife. The Pryor Mountains have some of the most incredible rock formations in the Nation.
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