Washington County, Virginia

  • Area: 563 square miles
  • Population: 51,103 (2000 census)
  • Persons/Sq. Mile: 90.8
  • % Karst Terrane: approx. 50%
  • Number of Reported Caves: 200
  • Surveyed Cave Passage: 22 miles
  • Longest Cave: 52,785 feet
  • Average Length: 585 feet
  • Deepest Cave: 300 feet

Major Karst Development Areas:

  • ??? Valley
  • ??? Mountain

Karstic Formations and Map Symbols:

  • Knox - OCk
  • Elbrook - Ce

Detailed Map - Click to View: