The Hudson River is a 315-mile (507 km) river that flows from north to south primarily through eastern New York, United States. It originates in the Adirondack Mountains of upstate New York at Henderson Lake in the town of Newcomb, and flows southward through the Hudson Valley to the New York Harbor between New York City and Jersey City, eventually draining into the Atlantic Ocean at Upper New York Bay. The river serves as a physical boundary between the states of New Jersey and New York at its southern end. Farther north, it marks local boundaries between several New York counties. The lower half of the river is a tidal estuary, deeper than the body of water into which it flows, occupying the Hudson Fjord, an inlet that formed during the most recent period of North American glaciation, estimated at 26,000 to 13,300 years ago. Even as far north as the city of Troy, the flow of the river changes direction with the tides.
Washington County is a county in the U.S. state of New York. As of the 2020 census, the population was 61,302. The county seat is Fort Edward. The county was named for U.S. President George Washington. The county is part of the Capital District region of the state.
Cohoes is an incorporated city located in the northeast corner of Albany County in the U.S. state of New York. It is called the "Spindle City" because of the importance of textile manufacturing to its growth in the 19th century. The city's factories processed cotton from the Deep South.
Poughkeepsie, officially the City of Poughkeepsie, which is separate from the Town of Poughkeepsie around it, is a city in the U.S. state of New York. It is the county seat of Dutchess County, with a 2020 census population of 31,577. Poughkeepsie is in the Hudson River Valley region, midway between the core of the New York metropolitan area and the state capital of Albany. It is a principal city of the Kiryas Joel–Poughkeepsie–Newburgh metropolitan area which belongs to the New York combined statistical area. It is served by the nearby Hudson Valley Regional Airport and Stewart International Airport in Orange County, New York.
North River is an alternative name for the southernmost portion of the Hudson River in the vicinity of New York City and northeastern New Jersey in the United States.
The Northeastern United States is one of the four census regions defined by the United States Census Bureau. Located on the Atlantic coast of North America, the region borders Canada to its north, the Southern United States to its south, the Midwestern United States to its west, and the Atlantic Ocean to its east.
The Hudson Valley comprises the valley of the Hudson River and its adjacent communities in the U.S. state of New York. The region stretches from the Capital District including Albany and Troy south to Yonkers in Westchester County, bordering New York City.
The Main Line is a commuter rail line owned and operated by New Jersey Transit running from Suffern, New York to Hoboken, New Jersey, in the United States. It runs daily commuter service and was once the north–south main line of the Erie Railroad. It is colored yellow on NJ Transit system maps, and its symbol is a water wheel.
The Great Sacandaga Lake is a large lake situated in the Adirondack Park in northern New York in the United States. The lake has a surface area of about 41.7 square miles (108 km2) at capacity, and the length is about 29 miles (47 km). The word Sacandaga means "Land of the Waving Grass" in the native Mohawk language. The lake is located in the northern parts of Fulton County and Saratoga County near the southern border of the Adirondack Park. A small portion also extends northward into southern Hamilton County. The broader, south end of the lake is northeast of the City of Johnstown and the City of Gloversville. Great Sacandaga Lake is a reservoir created by damming the Sacandaga River. The primary purpose for the creation of the reservoir was to control flooding on the Hudson River and the Sacandaga River, floods which had a historically significant impact on the surrounding communities.
For the purposes of this article, the Jersey City area extends North to Edgewater, South to Bayonne and includes Kearny Junction and Harrison but not Newark. Many routes east of Newark are listed here.
The Champlain Canal is a 60-mile (97 km) canal in New York that connects the Hudson River to the south end of Lake Champlain. It was simultaneously constructed with the Erie Canal for use by commercial vessels, fully opening in 1823. Today, it is mostly used by recreational boaters as part of the New York State Canal System and Lakes to Locks Passage.
New York State Route 308 (NY 308) is a short state highway, 6.19 miles (9.96 km) in length, located entirely in northern Dutchess County, in the U.S. state of New York. It is a major collector road through a mostly rural area, serving primarily as a shortcut for traffic from the two main north–south routes in the area, U.S. Route 9 (US 9) and NY 9G, to get to NY 199 and the Taconic State Parkway. The western end of NY 308 is located within Rhinebeck's historic district, a 2.6-square-mile (6.7 km2) historic district comprising 272 historical structures. The highway passes near the Dutchess County Fairgrounds, several historical landmarks, and briefly parallels the Landsman Kill.
The Upper Delaware Scenic and Recreational River is a unit of the National Park Service designated under the National Wild and Scenic Rivers System. It stretches along 73.4 miles (118.1 km) of the Delaware River between Hancock, New York, and Sparrowbush, New York. It includes parts of Delaware County, Orange County, and Sullivan County in New York, as well as Pike County and Wayne County in Pennsylvania. Most of the land in this unit is privately owned; the federal government only owns about 30 acres (12 ha).
Popolopen is the name of several related landmarks mainly within the Hudson Highlands of Orange County, New York. These include a peak, Popolopen Torne—or simply "The Torne", and a short and steep-sided nearby valley officially called Hell Hole, but often Popolopen Gorge. Popolopen Creek runs through this valley. The Popolopen Bridge spans its mouth at the Hudson River and is crossed by Route 9W. Popolopen Lake feeds the headwaters of its namesake creek. Despite local usage, the United States Board on Geographical Names recognizes only the lake, creek and bridge as bearing the name "Popolopen."
U.S. Route 9 (US 9) is a part of the United States Numbered Highway System that runs from Laurel, Delaware, to Champlain, New York. In New York, US 9 extends 324.72 miles (522.59 km) from the George Washington Bridge in Manhattan to an interchange with Interstate 87 (I-87) just south of the Canadian border in the town of Champlain. US 9 is the longest north–south U.S. Highway in New York. The portion of US 9 in New York accounts for more than half of the highway's total length.
New York State Route 470 (NY 470) is an east–west state highway in the Capital District of New York in the United States. It extends for 2.91 miles (4.68 km) from an intersection with NY 9R in the town of Colonie to a junction with U.S. Route 4 (US 4) in the city of Troy. Along the way, NY 470 intersects NY 787 in Cohoes and traverses the Hudson River via the 112th Street Bridge. NY 470 was assigned in February–March 1973 and is maintained by the cities of Cohoes and Troy.
NY 470 
