Rivers & Lakes - Facts about the Bulgarian rivers network and her lakes.

There are good opportunities for adventure tourism: wild water rafting and canoeing, diving, delta- and para-gliding in the valleys of the Vatcha, Iskar, Chepelarska, Struma, and Mesta rivers.

The Longest Rivers in Bulgaria

Name	Length (Km)	Balkana
Iskar	368,0
Toundga	349,5
Maritsa	321,6
Osum	341,0
Struma	290,0
Yantra	285,5
Kamchiya	244,5
Arda	241,3
Louda Kamchiya	200,9
Roussenski Lom	196,9

Natural lakes are about 330 in number; the largest are the Black Sea lakes (Alepou, Arkoutino, Pomorie, Beloslav, Bourgas, Varna, Shabla lakes); the most numerous (more than 260) are the high glacial lakes in the Rila and Pirin mountains.

Dams have been built as a part of waterpower systems – Iskar, Arda, Batak Water Power System, Belmeken-Sestrimo, Dospat-Vucha, and a great number of smaller dams