5.5-mile or 7.5-mile options - 750ft Elevation Gain - Moderate Difficulty - 3 MPH pace - Call or Email: Mark, QuistAdventures@gmail.com, 516-672-9853. Come roam Nissequogue River State Park and the grounds of the former Kings Park Psychiatric Center. We will start by following the Long Island Greenbelt Trail into the Bluffs, and to Sunken Meadow State Park, before looping back and walking the paved paths of Nissequogue River State Park. Plenty of water and snacks are strongly recommended. Heavy rain cancels. If unsure, please contact me on the morning of the hike. Address : 213 Kings Park Blvd. Kings Park, NY 11754. Hike end time is approximate.