Aslikul (Aslykul, Asylykul, Baska Asylykүl, Asyulykүl.) - The largest lake in the Republic of Bashkortostan. Located 27 km north-west of the city Davlekanovo. It located in a wide valley between the north-eastern reaches of Bebeley hill and is surrounded by mountains: Tabulak, Ulu Karagach, Ulutau, Belekey-elm, Grand Nord, Nord Small, Zaytulyaktau. Lake karst-disastrous descent. Meals mixed, snow, rain and underground.

The lake water is slightly brackish with high mineralization. The vegetation is represented by reeds, cattails and common reed.