2. St. John's Church
St. John's Church is Marker 2 (see map) on the Clondalkin Heritage Trail.
There are Free Guided Tours given by the Volunteer Tour Guides know as Clann Chrónáin based at Bru Chronain, Clondalkin Round Tower Heritage Centre, Tower Road, Marker 1 (see map)
St. John's Church of Ireland Church was opened in 1789. The graveyard contains the remains of the medieval church of St. Cronan Mochua as well as two medieval granite crosses and a medieval baptismal font.