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Airman's Cave
Airman's cave - panoramio.jpg
Location Austin, Texas, U.S.
Depth 9 metres (30 ft)
Length 3,444 metres (11,299 ft)
Height variation 15 metres (49 ft)
Elevation 170 metres (560 ft)
Discovery 1971
Geology Cretaceous limestone
Entrances 1
Hazards small passages
Access gated
Cave survey Un. Texas Grotto, NSS. 1974

Airman's Cave is a cave located adjacent to Barton Creek in Travis County in south Austin, Texas. It is 3,444 metres (11,299 ft) long, and is characterized by long crawls and tight passages. The cave is within the Barton Creek Greenbelt public park, and is managed by the City of Austin's Parks and Recreation Department.


The cave is formed within the Edwards limestone of the early Cretaceous, and was originally a feeder for Barton Springs before the water table lowered and the stream found a different course. It is home to a number of rare troglobite species, including Rhadine austinica, Tartarocreagris intermedia, Texella spinoperca, and Texella mulaiki .

One of the more foreboding passages, found within sight of daylight, is the "Birth Canal": a tight, restricting tunnel that once discouraged many novice cavers from continuing on. Much deeper in the cave is a space known as the "Aggie Art Gallery," containing a reddish maroon clay and dozens of handmade sculptures, all formed and left behind by cavers.


The cave was discovered in 1971 by two airmen from Bergstrom Air Force Base, who excavated a draughting crack under a crag. It was explored and surveyed over the next three years by members of the University of Texas Grotto of the National Speleological Society, who had to dig their way through several blockages.

The cave was the subject of a major rescue effort in October 2007 when three students became lost. They emerged unharmed after being underground for 30 hours.

In 2012 a security gate was installed in response to a sharp increase in traffic, which was considered to pose a serious safety risk to untrained individuals exploring the cave, as well as being a threat to the cave and its fauna.

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