Three sandstonehigh crosses are on the site. A fourth cross is in the river. According to legend, Columba was stealing the cross, was caught by Ciarán and quickly dumped the cross in the river. They are called termon crosses which marked the sānctissimus, the holiest part of the monastery around the church.
An Ogham stone present reads COVAGNI MAQI MUCOLI LUGINI, meaning "Cuana son of the people of Luigni." The Luigni were noted in Meath from the 8th centuryonward, and give their name to the barony of Lune.