Lyons Demesne

Lyons Demesne
Lyons Demesne
	Location within Ireland
General information
Location	Newcastle Demesne, County Kildare, Ireland
Coordinates	53°18′4″N 6°32′42″W / 53.30111°N 6.54500°W
Construction started	1785
Completed	1797
Design and construction
Architect(s)	Oliver Grace

Lyons Demesne, also Lyons Estate, is a country house and estate in Lyons Hill, County Kildare, Ireland. It is located near Newcastle Demesne and Celbridge, to the northeast of Tipperstown, 24.8 kilometres (15.4 mi) west of the city centre of Dublin. The Georgian house, completed in 1797 under architect Oliver Grace, is set in 600 acres (240 ha). Historically, Lyons was the setting of a notable duel between Daniel O'Connell and John D'Esterre. University College Dublin, Lyons Research Farm consists of a portion of the original Lyons Estate and is used by the School of Agriculture, Food Science and Veterinary Medicine for teaching and research activities.