Post author By Julieanne Post date December 29, 2015 Home » Attractions » Reservoir Overlook – Natchez Trace Compact – MS Milepost 105.6 – Reservoir Overlook – Ross Barnett Reservoir on the Pearl River parallels the parkway for eight miles. ← Boyd Site – Natchez Trace Parkway – MS → Brashears Stand and Old Trace Site | Natchez Trace Parkway