 Around the historical character of Saint Amaro converged many pagan traditions present in Asturias and Galicia related with Gaelic "immrama" and "echtrai", like the voyages of Mael Dúin, the Úi Chorra, Snegdus and Mac Riagla or Bran mac Febal.Many features of the Celtic Otherworld are present in the Periplus of Saint Amaro.Like Saint Brendan, Amaro is said to have travelled on a journey that echoes that of the Irish "immram" – the voyages to the paradisiacal islands of the West.