Derbeke

or Derbeki, a river in Yakut ASSR, left tributary of the Adycha River (lana basin). Length, 389 km; basin area, 14,100 sq km. It rises on the eastern slope of the Khunkhadinskii Range and flows north; in its middle reaches it flows through an extensive swampy basin. The river is fed by snow and rain and freezes over in winter.