Glenveagh (/ɡlɛnˈveɪ/ glen-VAY; Irish: Gleann Bheatha, meaning 'glen of the birches'[2]) is the second-largest national park in all of Ireland.

[3] Located in County Donegal, it includes: Glenveagh Castle and its grounds; Lough Veagh; and much of the Derryveagh Mountains.

The park covers 170 square kilometres and includes much of the Derryveagh Mountains, Lough Veagh and Glenveagh Castle on its shores.

Adair came into dispute with his Irish Catholic tenants over hunting and fishing rights and trespassing sheep.

[citation needed] In winter 2018 and spring 2019, many native and non-native trees and plants were cleared from the park, and the water and pipe system was updated.