Ballycrovane Ogham StoneBallycrovane Ogham Stone is an ogham stone and National Monument located in County Cork, Ireland.LocationBallycrovane Ogham Stone stands in a field east-southeast of Ardgroom, overlooking Kenmare Bay.HistoryThis is the tallest known Ogham stone, carved in the 4th–6th century AD. The stone was probably placed on the site long before the carvings were made.DescriptionBallycrovane Ogham Stone is a pillar of stone measuring 470 × 102 × 32 cm and has Ogham carvings incised on two edges.