In 1224 Count Gerhard of Are handed over the parish law of Kirmutscheid to the Order of Saint John in Adenau. In 1403, a pastor was mentioned, and around 1400 a new building was built using older parts.
The Dreimühlen waterfall is probably the most interesting waterfall in the Eifel. It was formed from limestone deposits of three spring tributaries of the Ahbach. Due to the constant deposition, the sinter bank is constantly "growing", which is where the name "growing waterfall" comes from.