Ojaotsa Springs, also known as Serga Springs, is a set of springs in the village of Meremäe in Estonia. It is the source of Obinitsa (stream), Tuhkvitsa Creek. The springs might potentially be rising springs forming a travertine deposit. Ojaotsa Springs belongs to the pre-selection of Natura 2000 nature conservation areas; it has 10 groundwater openings and a flow rate of .

References

Setomaa Parish Springs of Estonia {{Võru-geo-stub