Clarksville Cave
Type: Cave.
Features: Clarksville Cave: Best-known and most-visited wild cave in the Northeast; horizontal cave with about 4800 feet of passage and three entrances.
Feature Type: Karst.
Reference: NYS Geological Association Field Trip Guidebook, 67th Annual Meeting 1995; The Geology of Clarksville Cave, Albany County, NY.
Quadrangle: Clarksville.
Reason for Designation: Unique and Scenic.