Album: Oregon - Lava Tunnel & Museum
- Outdoor Adventures
- Album Date
- Date Added
- 1/1/2013 12:00:00 AM
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We thought it was only a hundred feet long or so ... it actually went on underground for over a mile.
Ice. It was a bit cold. Supposedly the cave maintains a constant temperature of 42 degrees, but obviously it must have been colder near the opening to form this ice.