The Seven Rila Lakes  are a group of lakes of glacial origin (glacial lakes), situated in the northwestern Rila Mountains in Bulgaria. They are the most visited group of lakes in Bulgaria. The lakes are situated between 2,100 and 2,500 metres elevation above sea level.
Each lake carries a name associated with its most characteristic feature. The highest one is called Salzata ("The...Read more !

Pirin mountain has 176 lakes. Some of them has 3a area. The biggest lake is Popovo, following bg Dolno Kremensko, Tevno Vasilashko, Goliamo Valyavishko and etc.
Read more !

The Burgas Lakes are a group of coastal lakes of varying saltiness located around the Bulgarian city of Burgas in the proximity of the Black Sea. They constitute the largest group of lakes in the country and comprise some of Bulgaria's biggest and most important lakes.
Lake Mandra is the southernmost of the Burgas Lakes, located in the immediate proximity of the Black Sea and close to...Read more !

The Srebarna Nature Reserve is a nature reserve in northeastern Bulgaria (Southern Dobruja), near the village of the same name, 18 km west of Silistra and 2 km south of the Danube. It comprises Lake Srebarna and its surroundings and is located on the Via Pontica, a bird migration route between Europe and Africa. Srebarna is one of the most famous nature reserves. It is known beyond the...Read more !

Pomorie Lake is a hyperhaline naturally formed lagoon situated immediately to the town of Pomorie. It has a 70% salt content, four times that of sea water. It is separated from the Black Sea by a manmade dike and a sand bar. The lake’s surface area is 850 ha, but together with the surrounding wetlands it adds up to 1.000 ha. It is 6.7 km long and 2 km wide. The Pomorie Lake is used for the...Read more !

Bulgaria has many dams. Some os the biggest dams are: Al.Stamboliyski, Ivailovgrad, Studen Kladenets, Kardzhali, Batak, Dospat, Iskar, Vacha, Kamchia, Koprinka and etc.Read more !