The Alazeya Plateau (Russian: Алазейское плоскогорье) is a mountain plateau in the Sakha Republic, Far Eastern Federal District, Russia.

The area is named after river Alazeya, which has its source in the plateau.

[2] The average height of the plateau surface is around 350 meters (1,150 ft).

There are slightly higher tableland type elevations cutting across the plateau area; the highest point is a 954 metres (3,130 ft) high unnamed summit.

[3] There are forests of larch in the lower areas and mountain tundra in the higher altitudes.