| New York State's borders touch (clockwise from the | | | | Champlain. Lake George empties at its north end into |
| northwest) two Great Lakes (Erie and Ontario, which | | | | Lake Champlain, whose northern end extends into |
| are connected by the Niagara River); one former | | | | Canada, where it drains into the Richelieu and then the |
| Great Lake (Lake Champlain); the provinces of Ontario | | | | St Lawrence Rivers. Four of New York City's five |
| and Quebec in Canada; three New England states | | | | boroughs are on the three islands at the mouth of the |
| (Vermont, Massachusetts, and Connecticut); the | | | | Hudson River: Manhattan Island, Staten Island, and Long |
| Atlantic Ocean, and two Mid-Atlantic states (New | | | | Island. |
| Jersey and Pennsylvania). In addition, Rhode Island | | | | "Upstate" is a common term for New York State |
| shares a water border with New York. | | | | north of the New York City metropolitan area. Which |
| New York is also the site of the only extra-territorial | | | | of the suburban counties north of The Bronx along the |
| enclave within the boundaries of the U.S., the United | | | | Hudson River (Rockland, Westchester, Putnam, |
| Nations compound on Manhattan's East River. | | | | Orange, and Dutchess) are included in the Upstate |
| The southern tip of New York State—New | | | | region depends on who is using this term. Upstate |
| York City, its suburbs, and the southern portion of the | | | | New York typically includes the Catskill and |
| Hudson Valley—can be considered to form | | | | Adirondack Mountains, the Shawangunk Ridge, the |
| the central core of a "megalopolis," a super-city | | | | Finger Lakes and the Great Lakes in the west; and |
| stretching from the northern suburbs of Boston to the | | | | Lake Champlain, Lake George, and Oneida Lake in the |
| southern suburbs of Washington and therefore | | | | northeast; and rivers such as the Delaware, Genesee, |
| occasionally called "BosWash". | | | | Hudson, Mohawk, and Susquehanna. The highest |
| First described by Jean Gottmann in 1961 as a new | | | | elevation in New York is Mount Marcy in the |
| phenomenon in the history of world urbanization, the | | | | Adirondacks. |
| megalopolis is characterized by a coalescence of | | | | East of Manhattan extends the appropriately named |
| previous already-large cities of the Eastern Seaboard: | | | | Long Island, stretching approximately 120 miles (190 km) |
| a heavy specialization on tertiary activity related to | | | | from Kings (Brooklyn) and Queens Counties (part of |
| government, trade, law, education, finance, publishing | | | | New York City) on the western end to Orient and |
| and control of economic activity; plus a growth pattern | | | | Montauk Points in the semi-rural "East End" of the |
| not so much of more population and more area as | | | | Island. The two counties that are encountered as one |
| more intensive use of already existing urbanized area | | | | travels east from New York City are Nassau and |
| and ever more sophisticated links from one specialty | | | | Suffolk. Three of Suffolk County's ten |
| to another. Several other groups of megalopolis-type | | | | towns—Brookhaven, Riverhead, and |
| super-cities exist in the world, but that centered around | | | | Southampton— despite being subject to the |
| New York City was the first described and still is the | | | | overdevelopment of New York City's expanding |
| best example. | | | | suburbs, are host to the 102,500 acre (415 km2) state |
| The five New York City boroughs (and their counties) | | | | designated and protected Central Pine Barrens region. |
| are: 1. The Bronx (Bronx), on the mainland, north of 2. | | | | This remarkably undeveloped region overlies part of |
| Manhattan (New York) on Manhattan Island and | | | | Long Island's federally designated Sole Source Aquifer |
| Roosevelt Island. The Hudson River is their western | | | | which provides drinking water to nearly three million |
| boundary. | | | | residents, and it contains terrestrial and aquatic |
| 3. Brooklyn (Kings) and 4. Queens (Queens) are | | | | ecosystems of statewide and national significance, |
| across the East River from Manhattan on the western | | | | interconnected surface and ground waters, |
| end of Long Island, and 5. Staten Island (Richmond) is | | | | recreational areas, historic locales, farmlands, and |
| south of Manhattan. | | | | residential communities. This region is the largest |
| The eastern end of Long Island includes the suburban | | | | remnant of a forest thought to have once |
| counties of Nassau and Suffolk, which, however, are | | | | encompassed over a quarter million acres (1,000 km2) |
| not part of New York City. | | | | on Long Island following the last glacial advance some |
| The megalopolis, however, is not the only aspect of | | | | 15,000 to 20,000 years ago. Much of the region's |
| New York State. While best known for New York | | | | ecosystem is similar to the larger New Jersey |
| City's urban atmosphere, especially Manhattan's | | | | Pinelands (also called "Pine barrens") to the south and |
| skyscrapers, by contrast the rest of the state is | | | | southwest of New York City, along with Cape Cod's |
| dominated by farms, forests, rivers, mountains, and | | | | pine barrens. All three areas share geologic and |
| lakes. Few people know that New York's Adirondack | | | | ecological characteristics common along the Atlantic |
| State Park is larger than any National Park in the U.S. | | | | Coastal Plain of the U.S. |
| outside of Alaska. Niagara Falls, on the Niagara River | | | | Trees have played a major role in the surrounding |
| as it flows from Lake Erie to Lake Ontario, is a popular | | | | areas of New York. Very large trees can even grow |
| attraction. The Hudson River begins with Lake Tear of | | | | in the New York metropolitan area (for example, the |
| the Clouds and flows south through the eastern part | | | | Queens Giant is the tallest tree and the oldest living |
| of the state without draining Lakes George or | | | | thing in the New York metro area). |