Following a historic railroad route that was the spark for the Battle of Olustee during the Civil War, the Jacksonville-Baldwin Rail Trail is an excellent bike trail that spans 14.5 miles from Jacksonville to Baldwin.
Lat-Lon: 30.30775, -81.99620 [Imeson Rd], 30.3347,-81.8686 [Camp Milton], 30.306492, -82.008150 [Baldwin]
Restrooms: both termini and Camp Milton
They have very nice trailhead restrooms and parking on the east side. There is an old rail station at the site of Baldwin. They have restrooms and a good place for a break and lunch if your brought your own. No commercial services on this trail as of yet. The trailhead on the west only has a port-a-let. Mostly shaded trail. Gradual rolling hills.