9 to 10 miles - 1100 to 1200 ft Elevation Gain - Strenuous Difficulty - 3 MPH + pace - Mark: Email - QuistAdventures@gmail.com, Cell# 516-672-9853. Come hike through the hilly northern end of the Nassau-Suffolk Greenbelt Trail as we move through Cold Spring Harbor State Park, Uplands Farm Sanctuary, Trail View State Park and Stillwell Woods Preserve. We will loop back in Stillwell Woods and finish where we started. Water and food are essentials here. Hiking footwear and trekking poles are recommended. We will meet in the parking lot of Cold Spring Harbor State Park, by the trailhead signage. Heavy rain or snow cancels. If following a period of rain in previous days, we might alter hike length for a safer trip. If unsure of the conditions, contact me prior to the hike. Address: Cold Spring Harbor State Park 95 Harbor Road, Cold Spring Harbor NY 11724.