The Sokoch (Russian: Сокоч) is a river in the western Kamchatka Peninsula, Russia, a right tributary of the Plotnikova.

It has one tributary, the Left Sokoch, which joins it 9 kilometres (5.6 mi) from its mouth.

[3] Lake Sokoch is in what was a proglacial basin between two terminal moraines from the Last Glacial Maximum.

[1] The village of Sokoch is the administrative center of the Nachikinskoe rural settlement.

Lakeshore spawning is important in the Kamchatka Peninsula, but the Bolhsaya River system has relatively few lakes.