Lost River Caverns is a natural
limestone
Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...
cavern located on the east side of
Hellertown, Pennsylvania, United States, and consisting of five chambers. The caverns were formed by the
karstification or dissolving of the limestone by water. In the past the caverns have been called Rentzheimer's Cave and Lost Cave.
The "Lost River", so named because the source and mouth of the river have not yet been discovered, flows through it. The temperature in the cave is consistently close to . There is a gift shop and a museum before the entrance.
It was discovered in 1883 when a limestone quarry cut into it. It is open to the public.
References
External links
Lost River Caverns web site
Caves of Pennsylvania
Landforms of Northampton County, Pennsylvania
Tourist attractions in Northampton County, Pennsylvania
Show caves in the United States
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