The tunnel-valley lake is located near the village of Łąkie and is known locally as “Lake Łąkowskie”. The lake has 21 hectares and maximum depth of 9.5 m. To the south and east, the lake is surrounded by alder forest. There is a communal beach with a volleyball pitch, and a large pavilion which provides cover from both sunlight and rain. The lake is a perfect spot not only for beach leisure, but also for fishing and angling.