Location
Boone Dam is located 19 miles (31 km) above the South Fork Holston River's confluence with the North Fork Holston River (which forms the Holston River proper). The Watauga River joins the South Fork Holston almost immediately upstream from the dam, creating a V-shaped reservoir that extends for 17 miles (27 km) up the South Fork Holston (all the way to Bluff City) and for 15 miles (24 km) up the Watauga. The Sullivan-Washington county line follows the reservoir for most of its Watauga span. Boone Dam is 31 miles (50 km) downstream from South Holston Dam and 10 miles (16 km) upstream from Fort Patrick Henry Dam.
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