Home» Monastic Sites» Roscommon» Monaster-Cheathramh-nTeampuill Monastery Monaster-Cheathramh-nTeampuill Monastery Roscommon Early Irish Early Christian Ruins About This Site Early monastic site Other Sites in Roscommon Achonry Abbey 'Abbey (in ruins)' Learn More Achonry Monastery Early monastic site, founded 7th century by St Finnian of Clonard; diocesan cathedral 1152 Learn More Aghacurreen Mass Rock At the crest of the E-facing slope of a NW-SE ridge, at the SE end, and just 9m SE of… Learn More Aghanagh Monastery Early monastic site, founded 5th century by St Patrick for Bishop Manus (Maine) and Gentene Learn More