North Florida Mountain Bike ride, Hanna Park, South Loop, Mayport FL

Hanna Park is in Mayport FL. Right next to Jacksonville Beach.
Hanna Park has 3 Mountain Bike trails
This one is the South Loop trail. It is a Blue Square. It is 4 miles long of single track.
The direction of all three trails changes every day, so watch the signage when entering the trail. There are also a few hiking only trails, a lake, campground, and the beach. Admission fee is required for entry.