Lough Muckno is a freshwater lake in county Monaghan near the town of Castleblayney. It forms part of a 900 acre Leisure Park hosting activities such as orienteering, nature walks/trails, water skiing and wakeboard club, coarse fishing, peace garden and picnic areas. Recently, major angling access works have been undertaken and Lough Muckno is now an international standard angling venue.