Complex sentence: Canisp is an isolated mountain that stands in the Glencanisp Forest, a large rock and water wilderness, it has a considerable topographic prominence of 691 metres (2,280 feet) making the mountain a very good viewpoint.
Split into simpler sentences: Canisp is an isolated mountain that stands in the Glencanisp Forest, a large rock and water wilderness. It has a considerable topographic prominence of 691 metres (2,280 feet) making the mountain a very good viewpoint.