Patricks causeway is an ancient pilgrimage road it is known as the tochar phadraig in gaelic and the walking trail consists of 113 stiles as part of a 18 mi 30 km route the bicycle route follows quiet roads to the southern side of irelands holy mountain croagh patrick on which saint patrick is said to have spent forty days and nights during his time in ireland as part of the tour you will visit several unusual sites including the neolithic rock of boheh soap the rope bridge and t