[1] The river has its mouth near the abandoned village of Agayakan, located close to its final confluence.

[2] The Agayakan originates in the northern slopes of the Suntar-Khayata, not far from the source of the Yudoma.

Finally the Agayakan meets the Suntar river, flowing from the west, to form the Kyuyente, a tributary of the Indigirka.

there are about 1,500 lakes in the Agayakan basin, with an estimated total area of 44 km2 (17 sq mi).

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