JILONA North Trails
Jupiter 0.9 milesOn the Atlantic Coastal Ridge above the Indian River Lagoon, this loop hike ranges from a mangrove overlook in a tropical forest to an immersion in sand pine scrub.
JILONA South Trail
Jupiter 1.0 milesCircling scrub and tropical habitats in the shadow of Jupiter Inlet Lighthouse, this delightful mile loop along the Indian River Lagoon leads to outstanding scenic views.
John D. MacArthur Beach State Park
With a rare stretch of natural beach and tropical hammock along the Atlantic Ocean in Palm Beach County, John D. MacArthur Beach State Park is a popular getaway.
John Pennekamp Coral Reef State Park
Key Largo 2.5 milesMolasses Reef, the most accessible living coral reef in the United States, is the reason that John Pennekamp Coral Reef State Park exists in the Florida Keys.
John Prince Park
West Palm Beach 11.8 milesSouth of West Palm Beach, discover miles of paved walking paths, a nature trail, and camping among a multitude of outdoor recreation opportunities at John Prince Park.
John Prince Park Custard Apple Trail
West Palm Beach 0.5 milesWinding through a tropical hammock and along open marshes, the interpretive Custard Apple Trail provides a taste of the wilderness that once covered Lake Worth.
Jonathan Dickinson Green Loop
Hobe Sound 5.0 milesFormerly the East Loop, the easternmost hike in the park scrambles up and down scrub-covered ancient dunes and through the ruins of Camp Murphy on its 5 mile circuit.
Jonathan Dickinson River Trail
Hobe Sound 1.4 milesBurrow into a tangled tunnel of mangrove forest with the Loxahatchee River lapping at their roots on a nature trail combining scrub-topped bluffs and river-level mud.
Jonathan Dickinson State Park
One of South Florida's best backpacking destinations, Jonathan Dickinson State Park encompasses a vast mosaic of ecosystems along the wild and scenic Loxahatchee River.
Jonathan Dickinson White Loop
Hobe Sound 8.0 milesConnecting with the Ocean to Lake Hiking Trail, the White Loop provides passage to the park's backcountry as well as a satisfying day hike.
Juno Dunes East
Juno Beach 0.6 milesSummit the natural high point of Palm Beach County on an easy loop along the east face of the Atlantic Coastal Ridge between US 1 and A1A in Juno Beach.
Juno Dunes Natural Area
Juno Beach 3.0 milesPreserving a sliver of the Atlantic Coastal Ridge at the north end of Juno Beach, this expansive preserve extends from the Intracoastal Waterway to A1A.