After Monday’s post about Tikincor Castle, County Waterford (see The House at the Head of the Weir « The Irish Aesthete), here are the remains of another early fortified house: Ballycowan Castle, County Offaly. Prominently sited on a rock outcrop immediately north of the Grand Canal, the building seemingly occupies the site of an earlier castle belonging to the O’Molloys but much of the present structure was erected here by Thomas Morres in 1589. Climbing four storeys to a string course above which soar a series of tall, slender chimneys, the castle displays more visible evidence of its fortified character than does Tikincor, having no windows on the lowest level and a number of bartizans along the roofline. Ballycowan changed hands c.1625 when it came into the possession of Sir Jasper Herbert and his wife Mary Finglas, who extended the building to the east and placed a plaque carrying their arms above a new doorway here. Seemingly the castle suffered damage during the Confederate Wars and their aftermath, which is when the south-west side of the building collapsed. Not least thanks to its location, Ballycowan remains one of the most familiar ruins in this part of the country.