Meet at the Joseph Caputo Community Center. View a short film about the Aqueduct before visiting the weir. It is a short walk to the Weir on the Double Arch Bridge, where you will descend into the original 1842 brick water tunnel and learn its history. There is an optional walk along the Sing Sing Kill Greenway, located below the Double Arch Bridge, after the Weir Tour. Address: 95 Broadway, Ossining, NY 10562, just west of Rte. 9/Highland Ave. at the junction of Croton Ave. (Rte. 133) (from Metro-North Ossining Train Station by taxi or 15-minute uphill walk). Inquiries: Sara Kelsey, email@example.com or 646-303-1448.