
Lough Gill Special Area of Conservation is a protected freshwater lake and surrounding woodland ecosystem in County Sligo, Ireland, known for its rich biodiversity, scenic beauty, and cultural heritage.
Lough Gill Special Area of Conservation encompasses the lake itself and its adjoining catchment area, located primarily in County Sligo with parts extending into County Leitrim. The lake spans approximately 12 square kilometers and is renowned for its stunning natural setting, framed by wooded hills and limestone outcrops. The SAC designation protects a variety of habitats including lake habitats, alluvial forests, limestone pavement, and species-rich grasslands. Lough Gill is especially significant for its population of the rare and protected freshwater pearl mussel (Margaritifera margaritifera), otters, and several species of rare plants such as the yellow figwort and floating water-plantain. The lake holds cultural importance, featuring in the poems of W.B. Yeats who lived nearby, adding a literary allure that draws visitors. Recreational opportunities are plentiful, with birdwatching, angling, boating, and scenic cycling popular along the Lough Gill Loop and surrounding trails. The woodland areas around the lake, including Hazelwood Forest, offer peaceful hiking routes through native Irish forests blending oak, ash, and birch. Lough Gill's serene landscape, rich biodiversity, and cultural heritage create a compelling destination for nature enthusiasts, photographers, and history lovers alike. Conservation efforts continue to protect this fragile ecosystem from invasive species and water quality degradation, ensuring its natural and cultural legacy is sustained for future generations.
Hazelwood Forest – a scenic native woodland along the lake’s north shore
Habitat for rare freshwater pearl mussels and otters
Lough Gill Loop – a popular cycling and walking route encircling the lake
Poetic heritage sites connected to W.B. Yeats and local folklore
A glacial lake known for clear waters and its diverse aquatic flora and fauna.
An ancient native woodland with rich biodiversity and walking trails along the northern shore.
The lake and surrounding hills inspired many poems by Nobel Laureate W.B. Yeats, linking the landscape to Irish literary history.