This is Day 4 of 7 Day Walking Trek. Ballyfarnon to Corrie Mountain. The route will follow the Miners Way over the Arigna Mountains where St. Elba,s Shrine is located. Then across Arigna Valley and on to the summit of Corrie Mountain, the highest point in Co. Roscommon. Length16 KM with 650M Climb. Time 7 Hours.