INTO THE DARK · CAVES DIRECTORY
West Virginia's Greenbrier Valley holds one of the great karst regions of the Appalachians. Organ Cave near Lewisburg was used to make saltpeter for gunpowder in both the Revolutionary War and the Civil War — 36 Confederate saltpeter works were documented inside. Lost World Caverns near Lewisburg offers wild cave tours. The cave count in the Greenbrier Valley limestone is one of the highest per square mile in the East.
Every cave listed here is on public or accessible land. Always bring three light sources, water, and let someone know your plans before entering any undeveloped cave. Temperature inside: typically 50–62°F year-round. Explore all caves on the Trek4Free map →
One of the longest caves in the eastern United States — over 45 miles of mapped passage in the Greenbrier Valley of West Virginia — and one of the most historically loaded. During the Civil War, Confe…
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