Sinks of Gandy, Natural cave tunnel in Osceola, United States
Sinks of Gandy is a limestone cave in West Virginia where Gandy Creek flows through underground passages. The tunnel system runs beneath Yokum Knob with chambers that vary in size as the water cuts through the rock.
The cave was part of the landscape during the American Civil War when military action occurred near its entrance. Scientists later explored and measured the passages to better understand the underground system.
The National Speleological Society conducted the first professional survey of the underground passages on September 1, 1940, measuring 3056 feet of tunnels.
Bring protective clothing, water shoes, and reliable flashlights when visiting, as the passages are wet and dark. Plan for slow walking over slippery surfaces and watch your step carefully throughout the cave.
The main entrance is a large opening in the limestone cliff set within a sunken meadow. This depression in the landscape shows how water gradually shaped the terrain over thousands of years.
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