The Aran Islands (Inis Mór, Inis Meáin, and Inis Oírr) are famous for their stark, limestone-pavement landscape and are almost entirely devoid of natural forests. Because of the thin soil and the fierce, salt-laden Atlantic winds, large trees struggle to grow. However, you will find small, stunted trees (mostly hawthorn and hazel) tucked into the "shelter" of the islands' thousands of miles of dry-stone walls. In 2026, there is an active local movement, such as the "A Friend in Me" project, which has begun planting hundreds of native trees in sheltered pockets to improve biodiversity. While the islands will always be defined by their rugged, rocky beauty and open fields of wildflowers rather than woodlands, these reforestation efforts are slowly introducing more greenery to the islands' unique "Karst" topography.