Berd (Russian: Бердь) is a river in Russia, the right arm of the Ob River.The Berd begins on the western slopes of the Salair ridge, flows 30 kilometres (19 mi) in Altai Krai territory and the rest in Novosibirsk Oblast. The river empties into the Novosibirsk water reservoir, which submerged 40 kilometres (25 mi) of the original Berd river after construction.The Berd is 363 kilometres (226 mi) long and was formerly 416 kilometres (258 mi) long.