Sacred Destinations Destinations Monasterboice Monasterboice Photos 26712 × share full URL share short URL embed link code photo 24 of 70 Previous | Next West Side of Base of Muirdach's Cross West side of the base of Muirdach's Cross, named for the abbot identified in an inscription on the base. It dates from 900-923 AD and stands 5.5m (16 feet) tall. Credit: Holly Hayes