St. Marks Trail features 16 miles of hiking trails near Tallahassee, FL.
"State Road 319 circles Tallytown, catch it and come around the south side of town to hit Woodville Hiway which will run you south. About 1/2 mile on the right is a parking lot that will begin the St Marks Trail.
http://www.tripleblaze.com/trail.php?c=3&i=248