The focal point of the National Park for visitors is Muckross House and Gardens. The house which is presented as a late 19th century mansion featuring all the necessary furnishings and artefacts of the period is a major visitor attraction is jointly managed by the Park Authorities and the Trustees of Muckross House.
Killarney National Park contains many features of national and international importance such as the native oakwoods and yew woods together with an abundance of evergreen trees and shrubs and a profusion of bryophytes and lichens which thrive in the mild Killarney climate. The native red deer are unique in Ireland with a presence in the country since the last Ice Age.