Croeso! Welcome to Llanrhaeadr Ym Mochnant Public Hall. Llan Public Hall is situated in the middle of Llanrhaeadr Ym Mochnant village in the beautiful Tanat Valley, Powys, and is currently undergoing great change! The old Hall (erected in 1927) has now been demolished and work begun on building the new one - which is envisaged to be a multi-purpose, state of the art meeting place. Our new Hall will be sustainable, built of local materials, use energy efficient heating and lighting and rainwater