Clonmacnoise or Clonmacnois is a ruined monastery in County Offaly in Ireland on the River Shannon south of Athlone, founded in 544 by Saint CiarĂ¡n, from Rathcroghan, County Roscommon. Until the 9th c
Cross of the Scriptures, Cathedral, Temple Doolin and South Cross
Clonmacnoise Cathedral from the south-east (centre and left), Temple Doolin and Temple Hurpan (right) and Temple Melaghlin (behind, covered)