 The now extirpated eastern cougar formerly roamed the Adirondacks.. 

Nearly 60 percent of the park is covered with northern hardwood forest.Above 2600 feet (c. 792 meters) conditions are too poor for hardwoods to thrive, and these trees become mixed with or replaced by balsam fir and red spruce.Above 3500 feet (c. 1,067 meters) black spruce replace red.