[1] The river flows across Mirninsky District; there are no permanent settlements in the area.

The nearest inhabited place is Ekonda, located about 80 km (50 mi) to the NNW of the river source.

[2] The Ulakhan-Vava belongs to the upper section of the Vilyuy basin.

Its sources are in an elevated part of the Vilyuy Plateau, near the Krasnoyarsk Krai border.

The confluence is almost opposite the mouth of the Sen in the facing bank.