Lace up some comfy shoes and join this annual hike and scavenger hunt (using the Monkey Spot Scavenger Hunts app) along Giraffe Trail, the 6-mile urban route that connects the Cloisters to Central Park via trails in Fort Tryon Park, Highbridge Park, Jackie Robinson Park, St. Nicholas Park, and Morningside Park. You're free to join the hike at different times and places along the route, or just head straight to the Sunken Playground (167th St and Edgecombe Ave) at 11:30am to celebrate the High Bridge, which reopened last year after being closed for over 40 years. All ages. Coming from the north: Ring Garden (Dyckman and Broadway) 10am, Swindler Cove (Dyckman and 10th Ave) 10:30am, J. Hood Wright Park Rec Center (175th St and Fort Washington Ave) 10am. From the south: Central Park (110th St and Central Park West) 10am, Morningside Park (123rd St and Morningside Ave) 10:30am, St. Nicholas Park (135th St and St. Nicholas Ave) 11am, Jackie Robinson Park (148th St and Bradhurst Ave) 11:30am, Sugar Hill Children's Museum of Art and Stortytelling Plaza (155th St and St. Nicholas Ave) 11am.