Skylight Cave

Skylight Cave is a lava tube within Deschutes County, Oregon, of the United States. The cave is within Deschutes National Forest and is located east of Belknap Crater about ten miles west of the city of Sisters. Skylight Cave is closed to visitation from October 1 to April 29 because of hibernating Townsend's big-eared bats.[3]

Skylight Cave
LocationDeschutes County, Oregon
Coordinates44°20′54″N 121°42′57″W
Length1017 feet (map length)[1]
Entrances1
DifficultyEasy
AccessMay 1st thru September 30th[2]

Geology

The cave is entered via a steel ladder through a collapsed roof section.[4] The most notable features of the cave are its two hornito skylights in the eastern passage, for which the cave is named.[5] During the cave's formation, it may have had more hornitos suggested by the many small cupolas along its passage. The entrance may have been a hornito that collapsed.[5] The eastern passage has mostly original morphology, but the western passage is filled with sand and clay and some piles of breakdown.[5] The western passage is longer and more difficult to navigate.[3][6]

History

Skylight Cave is closed to visitation from October 1 to April 29 because of hibernating Townsend's big-eared bats.[3] Many years worth of rotted ladders were once strewn around the entrance floor.[5]

References
  1. Larson, Charles (1982), An Introduction to Caves of the Bend Area, Guidebook of the 1982 NSS Convention, p. 74
  2. "Public Cave Access Information". FS.USDA.Gov. Retrieved 2017-12-24.
  3. "Skylight Cave: A little known Sisters Country highlight". NuggetNews.com. Retrieved 2017-12-24.
  4. "Skylight Cave" (PDF). Sisterscountry.com. Retrieved 2017-12-24.
  5. Larson, Charlie & Jo (1987), Central Oregon Caves, ABC Publishing, p. 44
  6. "Skylight Cave: A little known Sisters Country highlight". NuggetNews.com. Retrieved 2017-12-24.
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