The Hudson River is a 315-mile (507 km) watercourse that flows from north to south through eastern New York State in the United States
.The highest official source is at Lake Tear of the Clouds, on the slopes of Mount Marcy in the Adirondack Mountains. The river itself officially begins in Henderson Lake in Newcomb, New York.
The official source of the Hudson is Lake Tear of the Clouds in the Adirondack Mountains. However, the waterway from the lake is known as Feldspar Brook and the Opalescent River, feeding into the Hudson at Tahawus.The lower Hudson is actually a tidal estuary, with tidal influence extending as far as the Federal Dam at Troy.
Haverstraw Bay, just north of the Tappan Zee (the widest part of the river), is located between Croton Point in the Southeast and the town of Haverstraw in the Northwest. Haverstraw Bay is a popular destination for recreational boaters and is home to many yacht clubs and marinas, including Croton Yacht Club, Croton Sailing School, Half Moon Bay Marina (Croton), Pennybridge Marina, Minisceongo Yacht Club.