Piney Flats Loop The Piney Flats Loop is a 25.5-mile bicycle loop that starts in Johnson City and rolls through the countryside by the Watauga River and Boone Lake. This trail makes a great Sunday morning route for a leisurely ride. Contact: View Gallery RELATED ATTRACTIONS Buffalo Mountain Park Yee-Haw Brewing White Duck Taco Taste Budz Southern Craft BBQ Petite Sweets PLACES TO STAY No posts found in this category. #FINDYOURJCPACE Don't settle for a one-size-fits-all expedition. Find your pace, share your journey, and connect with others.