• 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:

• Highland County Map Highland County Map
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