Keyhole Cave

Historical marker location:

33229 Old Valley Pike, Strasburg, Virginia

( Marker can be reached from Old Valley Pike (U.S. 11) 0.2 miles west of Signal Knob Drive, on the right when traveling west.)

How Strata Shaped Strategy: The Hupp's Hill Civil War/Karst Interpretive Walking Trail.

Virginia was one of the original 13 colonies that declared independence from Great Britain in 1776.