Randalls Island (sometimes called Randall's Island) and Wards Island are conjoined islands, collectively called Randalls and Wards Islands, in New York County, New York City, separated from Manhattan Island by the Harlem River, from Queens by the East River and Hell Gate, and from the Bronx by the Bronx Kill. The two islands were formerly separated, with Randalls Island to the north of Wards Island. The channel between them, Little Hell Gate, was infilled by the early 1960s. A third, smaller island, Sunken Meadow Island, was located east of Randalls Island and was connected to it in 1955. The island had a population of 1,648 living on in 2010. Most of the island is parkland, spanning a total of , and managed by Randall's Island Park Alliance. The park offers 91 athletic fields, a driving range, greenways, playgrounds and picnic grounds. The island also has a history of being used for asylums, hospitals, and cemeteries, and is currently home to several public facilities, including a psychiatric hospital known as the Manhattan Psychiatric Center, Kirby Forensic Psychiatric Center a Drug and Alcohol Treatment facility named Odyssey House, a daycare, 2 state police stations, FDNY fire academy, a DEP wastewater treatment plant, Icahn Stadium, HELP Clarke Thomas Mens Homeless Shelter, Keener Employment Homeless Mens Shelter, Schwartz Homeless Mens Shelter, HELP USA Supportive Employment Center, and an Urban Farm. Outside of these institutions and buildings, there is no residential housing for the general public on the island. The island is crossed by the Triborough and Hell Gate bridges. The island can be reached by the Triborough Bridge; the Wards Island Bridge, which serves pedestrians and bicyclists and links the island to East Harlem in Manhattan; or by the Randalls Island Connector, a pedestrian and cycling bridge crossing the Bronx Kill and connecting to the Port Morris neighborhood of the Bronx. Randalls Island is the home of three music festivals: Governors Ball Music Festival, Panorama Music Festival, and Electric Zoo Festival. History Colonial era Native Americans called Wards Island Tenkenas which translated to "Wild Lands" or "uninhabited place", whereas Randalls Island was called Minnehanonck. The islands were acquired by Wouter Van Twiller, Director General of the Dutch colony of New Netherland, in July 1637. The island's first European names were Great Barent Island (Wards) and Little Barent Island (Randalls) after a Danish cowherd named Barent Jansen Blom. Both islands' names changed several times. At