description Arnold Ice Cave Overview
Arnold Ice Cave is a prominent lava tube situated within Oregon's Deschutes National Forest. The subterranean site is historically notable for containing massive, year-round subterranean ice formations. Formed by ancient volcanic activity, the cave's cool environment preserves the ice throughout the summer. The site is primarily suited for experienced cavers and researchers studying local volcanic geology and climatic history.
help Arnold Ice Cave FAQ
Where exactly is Arnold Ice Cave located?
Arnold Ice Cave is located within the Deschutes National Forest in central Oregon. It is part of a larger network of lava tubes found in the High Desert region of the Pacific Northwest.
Does Arnold Ice Cave actually have ice inside all year round?
Yes, the cave's cool subterranean environment preserves massive, year-round subterranean ice formations. These ice deposits are remnants of a historical period when cold air trapped in the lava tube froze standing water on the cave floor.
How was the lava tube at Arnold Ice Cave formed?
The cave itself is a natural lava tube created by ancient volcanic activity in the region. Over centuries, water seeping into the cooled basalt cavity froze, creating the prominent ice formations that give the cave its modern name.
Do I need a permit to explore Arnold Ice Cave?
The cave is generally open to the public and managed by the Deschutes National Forest, so no special permit is typically required for casual visitation. However, visitors must bring their own light sources and warm clothing, as the cave is pitch black and freezing inside.
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