Post author By Julieanne Post date December 30, 2015 Home » Attractions » Loess Bluff – Natchez Trace Parkway – MS Milepost 12.4 – Loess Bluff – Deposits of topsoil (loess) were blown here during Ice Age. ← Mount Locust – Natchez Trace Parkway – MS → Turpin Creek – Natchez Trace Parkway – MS