Adirondack may refer to:

Places

• Adirondack Mountains, New York, US
  • Adirondack Park, a protected area in the US, containing a large portion of the Adirondack Mountains
• Adirondack County, New York, a proposed county in New York
• Adirondack, New York, a place in New York

Transport

• Adirondack (train), an Amtrak passenger rail route connecting New York City and Montreal
• Adirondack guideboat, a rowed skiff, built to be carried between bodies of water, originally designed for hunting
• USS Adirondack (1862), a gunboat during the American Civil War that sank off the Bahamas
• USS Adirondack (YT-44), an iron-hulled screw tug originally known as the Underwriter
• USS Adirondack (ID-1270), commissioned into the Navy in 1917 and used as a floating barracks until 1919
• USS Adirondack (AGC-15), an amphibious force flagship in service from 1945 to 1955

Other uses

• Adirondack (Mars), Mars Exploration Rover Spirit's first target rock for investigation
• Adirondack Architecture, an American style of construction
• Adirondack Beverages, a soft drink company based in New York state, that produces the Adirondack brand sodas
• Adirondack Canoe Classic, a three-day, 90-mile (140 km) canoe race from Old Forge to Saranac Lake (also known as the "90-miler")
• Adirondack chair, a type of chair used primarily in an outdoors setting
• Adirondack Community College (US), a two-year college located in the state of New York
• Adirondack Experience, a museum
• Adirondack Flames, former American Hockey League team (2014–15)
• Adirondack Great Camps
• Adirondack Phantoms, former American Hockey League team (2009–2014)
• Adirondack Red Wings, former American Hockey League team (1979–1999)
• Adirondack shelter, a style of lean-to
• Picea rubens or Adirondack, a species of spruce tree used to make musical instruments

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