Map of Limestone Cove Trail, Great Smoky Mountains, Unicoi County, Tennessee LOCATION Latitude: 36.16528 Longitude: -82.2925 Current weather conditions and forecast for Limestone Cove Trail, Great Smoky Mountains, Unicoi County, Tennessee Local climate location: ERWIN 5 miles away    High quality water resistant topo map of Limestone Cove Trail, Great Smoky Mountains, Unicoi County, Tennessee.   Tennessee Hiking Trails Complete list of all hiking trails in Tennessee sorted by county. Books about Limestone Cove Trail, Unicoi County, Tennessee List of books available on Amazon.com about Limestone Cove Trail. Outdoors Recreation Near Johnson City, Tennessee Outdoors recreation in the vicinity of Johnson City, Tennessee, the metro area neareast to Limestone Cove Trail. Find info on campgrounds, marinas, hiking trails, ski resorts, lakes, beaches, parks, whitewater, golf courses and more. Tennessee Outdoors Index Index of outdoors activities in the great state of Tennessee.