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8th Wonder of the World

Johnson City/TN

Distance

91 mi

Duration

3h 2m

Checkpoints

7

Road type

Mountain twisty

Region

Southeast

Length

Long (50-100 miles)

Surface

Paved - modern

Intensity

Spirited

Season

Fall

Winter status

Sometimes closed

About

Natural Tunnel is more than one million years old and has been attracting visitors for more than two centuries.

Checkpoints

7

Checkpoints · Members only

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