Portumna Bathing Water is located in the Lough Derg Management Unit of the Shannon River Basin District in County Galway. Portumna town is located on the N65 about 64km from Galway City and 57km from Athlone Town, Co. Westmeath.
The bathing area is situated at the head of Lough Derg about 1.5km south of Portumna town centre. Check the website for additional information in relation to area size. Portumna is also well known as a fishing centre and marina for Lough Derg.