With Jacksonville being the largest city in the continental United States at 840 square miles it has the largest urban park system in the US with over 100,000 acres in preservation. It's no wonder Jacksonville Florida has plenty of trail systems! From hosting the end of the St. Johns River as it flows north into the Atlantic Ocean, one of the only two North American Rivers flowing north (no, not because Georgia sucks you Gator fans), to beach front conservation areas, to wiregrass waving sandhill natural communities maintained by prescribed fire, Jacksonville has a plethora of beautiful ecological natural communities to explore. Experience the natural wonders of Northeast Florida as you wander these 10 best Jacksonville hikes. Click the link below for all the hikes!!