Big Rock Island, Polk County TN
Approx Elevation: 886 ft (270 m)
Topo Map Name: McFarland
Map and location information for Big Rock Island in Tennessee: Big Rock Island is one of the Summits in Polk County, TN and can be found on the McFarland USGS topographic quad map. The GPS coordinates are 35.1903533 (latitude), -84.4296486 (longitude) and the approximate elevation is 886 feet (270 meters) above sea level. Have you been to Tennessee's Big Rock Island before? If so, we ask that you post a quick review of it below. Tell us the time of year, what your goal was, and how your trip went. Thanks for sharing your experience at Big Rock Island!