Difficult 3 to 5 hour hill walk close to Roundstone. The hill walk features dramatic rocks, spectacular scenery including mountains, bog and coastline. The distance is about 7km with about 450m of climbing. Terrain includes steep open hillside, wet bog, sheep track and surfaced minor road. This walk offers stunning views of Dog's Bay Beach. (https://www.alltrails.com/trail/ireland/county-galway/errisbeg-mountain).
Image source: irelandscontentpool.com