Roscommon, an inland county, is bounded on the north by counties Sligo and Leitrim, on the east by counties Leitrim, Longford and Westmeath, on the south by Offaly (King’s county) and Galway and on the west by Galway and Mayo. Its greatest length is 60 miles and its greatest breadth from Rooskey to a point west of Lough Errit, is 33.5 miles.
