It is bounded on the north & east by Mullanacre Upper townland, on the south by Moher townland and on the west by Clontycarnaghan townland. Its chief geographical features are the Crooked River (Ireland) and Slieve Rushen mountain, on whose southern slope it lies, reaching an altitude of 1,120 feet above sea-level. The townland is traversed by some mountain lanes. Sralahan covers an area of 207 statute acres.