Columba founded the celebrated monastery of Tirdaglas (Tir-da-glasí), or Terryglass in 548. Fintan of Clonenagh received his religious formation at Terryglass and was deeply influenced by the penitential practices and the severity of the Rule.
Columba founded the prominent monastery of Tirdaglas (Tir-da-glasí), or Terryglass, in 548. Fintan of Clonenagh received his spiritual formation at Terryglass and was significantly influenced by the penitential practices and the rigor of the Rule.