Blowhole Cave

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Blowhole Cave
Blowhole Cave Entrance.jpg
Location Utah County, Utah
Depth 340 feet (100 m)
Length 1,165 feet (355 m)
Elevation 5,293 feet (1,613 m)
Geology Limestone
Entrances 1
Difficulty Vertical
Hazards Slippery surfaces
Access Restricted
Cave survey Call & Rod Horrocks, 1989

Blowhole Cave is a cave in Utah County, Utah, United States to the west of Utah Lake. The cave is owned by the Utah School and Institutional Trust Lands Administration (SITLA) and is managed by the Timpanogos Grotto of the National Speleological Society.[1] A cave gate was installed April 25–26, 2006.[2] Blowhole cave is very warm (more than 80 °F (27 °C)) and moist.[3] Total surveyed length is 1,165 feet (355 m), and total depth is 340 feet (100 m).[4] Blowhole Cave is the 9th deepest cave in Utah.[5] To explore the cave, approximately 400 feet (120 m) of rope is needed. The most notable formation inside the cave is the Navajo Blanket, a wall composed of brown, tan, red, white, and gray rock.[6]

Navajo Blanket formation in Blowhole Cave.
Navajo Blanket formation.


  1. ^ "The "Timpanogos Grotto of the NSS" official website". Retrieved 2012-08-08. 
  2. ^ "History - The Nutty Putty Cave official website". Retrieved 2012-08-08. 
  3. ^ Blow Hole ~ Utah Caves,, June 2008, retrieved 2012-08-08 
  4. ^ Blowhole Cave,, 1989, retrieved 2012-08-08 
  5. ^ "Utah's Longest and Deepest Caves ~ Utah Caves". Retrieved 2012-08-08. 
  6. ^ "Blowhole Cave". The Dye Clan. Retrieved 2012-08-08. 

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