The Indigirka is a river in the Sakha Republic in Russia between the Yana to the west and the Kolyma to the east. It is 1,726 kilometres long. The area of its basin is 360,000 square kilometres. The isolated village of Russkoye Ustye, located on the delta of the Indigirka, is known for the unique traditional culture of the Russian settlers whose ancestors ca…The Indigirka is a river in the Sakha Republic in Russia between the Yana to the west and the Kolyma to the east. It is 1,726 kilometres long. The area of its basin is 360,000 square kilometres. The isolated village of Russkoye Ustye, located on the delta of the Indigirka, is known for the unique traditional culture of the Russian settlers whose ancestors came there several centuries ago. Some historians have speculated that Russkoye Ustye was settled by Pomors in the early 17th century.