The Hudson River is a 315-mile (507 km) river that flows from north to south primarily through eastern New York. It originates in the Adirondack Mountains of Upstate New York and flows southward through the Hudson Valley to … See more

Sources
The source of the Hudson River is Lake Tear of the Clouds in the Adirondack Park at an elevation of 4,322 feet (1,317 m). However, the river … See more

The Hudson is sometimes called, in geological terms, a drowned river. The rising sea levels after the retreat of the Wisconsin glaciation, the most recent ice age, have resulted in a marine incursion that drowned the coastal plain and brought salt water well … See more

Numerous places have been constructed along the Hudson that have since become landmarks. Following the river from its source to mouth, there is the Hudson River Islands State Park in Greene and Columbia counties, and in Dutchess County, there is Bard College See more

The river was called Ka’nón:no or Ca-ho-ha-ta-te-a ("the river") by the Haudenosaunee, and it was known as Muh-he-kun-ne-tuk … See more

The lower Hudson is actually a tidal estuary, with tidal influence extending as far as the Federal Dam in Troy. There are about two high tides and two low tides per day. As the tide … See more

Pre-Columbian era
The area around Hudson River was inhabited by indigenous peoples ages before Europeans arrived. The Lenape, Wappinger, and Mahican branches of the Algonquians lived along the river, mostly in peace with the … See more