Drenagh is a 19th century house and garden in Limavady, County Londonderry, Northern Ireland. The present house was designed by Charles Lanyon and was the architect's first major commission. It was completed in 1835 and has been the home of the McCausland family since. There are terraced gardens in the Italian style, an arboretum, and a fountain inspired by one at Villa d'Este near Rome. As well as being a family home, the house and grounds are hired out for conferences, weddings and as a film location. Shooting and fishing are also available in the grounds. There is an extensive woodland with oak, beech and yew. The family can trace their roots back to Malcolm II's court in the 11th century. In the 1540s Baron Alexander McAuslane relocated to Ireland, with his grandson Robert being the first to occupy Drenagh. The previous house on the site, Fruithill, was constructed by the McCausland family in the 17th century. In 1972 Captain Marcus McCausland became the first Ulster Defence Regiment soldier to be murdered by the Official Irish Republican Army. His son Conolly is the current occupant. The property is located on the road to Coleraine.