See all Things to do in Cashel Cashel for: Adventure, Food And Dining, Art And Culture, Nightlife, Spa, History, First Timers, Family, Romance, Shopping Angling About Angling. The Salmon and Trout season on the river Suir open on 17 March and closes on 30 September. Angling licences needed (Available from Casale 2000, Bank Pl, Cashel). Add to Wish List