ɪɾ ɪz loʊkˈeɪɾᵻd ɔnðə bˈoːɹdɚ bᵻtwˌiːn kˈaʊnti lˈɔŋfɚd ænd kˈaʊnti kˈævæn, wɪððə lˈɑːɹdʒɪst pˈɑːɹt ʌvðə lˈeɪk bˌiːɪŋ ɪn kˈaʊnti lˈɔŋfɚd.
It is located on the border between County Longford and County Cavan, with the largest part of the lake being in County Longford.