Bolva River

Bolva (Russian: Болва) is a river in Kaluga and Bryansk Oblasts in Russia. It is a left tributary of the Desna River. It is 213 km in length, with a drainage basin of 4340 km².

Map of r. Bolva, Russia

The river has its sources on the Smolensk Ridge, and flows in a southerly direction to its confluence with the Desna in the city of Bryansk. The river also flows through the towns of Dyatkovo, Fokino, Kirov and Lyudinovo.

In the 19th century, the river vas navigable between Dyatkovo and Brjansk.