It is a pond in Dotnuvėlė River valley which formed in 1968 after flooding the riverbed (23.6 km from the river estuary). Pond length is 3.2 km, width is up to 0.19 km. The average pond depth is around 1.8 m, the largest depth is 5.8 m. The swimming site is installed on the left bank of the pond, near Akademija Gymnasium. There is a changing cabin, maintained lawn and a sand beach.
Ašarėna is a small river in Pelėdnagiai Local Authority. It starts at the edge of Pašiliai forest. It flows to the northeast along the edge of the forest, and through the forest further on. It flows in the lower reaches through Kėdainiai–Babtai road and flows into Nevėžis. Ašarėna pond covers 5.7 ha by Pelėdnagiai village. A well-kept swimming site is installed, which is particularly favoured by the locals and Kėdainiai townspeople. There are changing cabins, toilets, a tower, a sand beach and a car parking lot.
The swimming site is installed at the end of J. Biliūno street. – Šiauliai–Jonava railway is built near this area, above Nevėžis. There is another river dam – threshold within the limits of Kėdainiai town, at Skongalio street. There is a changing room, toilet and a volleyball court.