Adirondack Mountains: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Last updated

Oct. 25, 2026

News •

Fall foliage in New York: See where colors will peak this weekend • Oct. 15, 2026, 10:03 AM ET (Rochester Democrat and Chronicle)

Photos

Adirondack Mountains

Locator map highlighting the Adirondack Mountains in northern New York State with an orange shaded area. The map shows surrounding states including Vermont, New Hampshire, Massachusetts, Connecticut, New Jersey, and Pennsylvania, as well as nearby bodies of water such as Lake Ontario and Lake Erie.

Adirondack Mountains: Saranac Lake House

See All Images →

Topics

Rocky Mountains Appalachian Mountains Sierra Nevada Pocono Mountains Cascade Range Ozark Mountains Blue Ridge Catskill Mountains Black Hills Great Smoky Mountains