The Cuilcagh mountain range is one of Fermanagh 's upland areas .
These carboniferous shales aggregate across several counties in the northwest of Ireland - known colloquially as the Lough Allen basin - and are estimated to contain 9.4 trillion cubic metres of natural gas , equivalent to 1.5 billion barrels of oil ( approximately $ 115 billion at 2018 prices ) .The Irish Times , 2011 - `` What 's your fracking problem ? `` The county has three prominent upland areas , the expansive West Fermanagh Scarplands to the southwest of Lough Erne , which rise to some 350m , the Sliabh Beagh hills to the east on the Monaghan border , and the Cuilcagh mountain range along Fermanagh 's southern border , which contain Cuilcagh , the county 's highest point , at 665m.
County Fermanagh