Highland County, Virginia

  • Area: 416 square miles
  • Population: 2,536 (2000 census)
  • Persons/Sq. Mile: 6.1 
  • (Lowest Density in Eastern U.S.)
  • % Karst Terrane: approx. 50%
  • Longest Cave: 35,157 feet
  • Average Length: 464 feet
  • Deepest Cave: 426 feet
  • Number of Reported Caves: 227
  • Surveyed Cave Passage: 20 miles

Major Karst Development Areas:

  • Burnsville Cove
  • Bullpasture Mountain
  • Clover Creek Valley
  • ??? Valley
  • ??? Run Valley

Karstic Formations and Map Symbols:

  • Helderberg - DSu
  • Undivided Ordovician - Ou

Detailed Map - Click to View: