Fossy Mountain

About Fossy Mountain

Rising above the midland plains of County Laois, this modest Hump offers a quiet, agricultural ascent. Situated near the village of Timahoe, the summit provides clear views across the surrounding farmland toward the Slieve Bloom Mountains in the west and the rolling hills of the Castlecomer Plateau to the south.

Key Statistics

Find It

Did You Know?

• •The name Fossy is derived from the Irish word Fásach, meaning 'the wilderness,' indicating that these uplands were historically seen as wilder, uncultivated ground compared to the surrounding agricultural valleys.
• •The hill forms part of the Slieve Margy ridge, a limestone and gritstone upland that borders the Castlecomer Plateau, an area historically famous for its anthracite coal mines.
• •Looking north-west from the slopes, walkers can see the 12th-century Timahoe Round Tower, one of the finest examples of its kind in Ireland, nestled in the valley below.
• •The summit offers a broad perspective over the Barrow Valley, with the distinctive profile of Mount Leinster and the Blackstairs Mountains visible on the south-eastern horizon.