St Erth is a civil parish and village in Cornwall, England, United Kingdom.
River Hayle near St Erth (church tower in distance)
The cross in the churchtown
Erc mac Dega, also known (incorrectly) as Herygh, was an Irish saint. He was active in Cornwall. Tradition ascribes the foundation of the original monastery on the Hill of Slane to him.
Hill of Slane