The lake is part of the river basin of the upper Pillku Mayu.

Q'umir Qucha is situated in the Anta Q'awa mountain range, the southern part of the Potosí mountain range in the Potosí Department in the north of the José María Linares Province.

[1] It lies east of the mountain Q'umir Qucha, north-west of Khunurana and north-east of the larger lake Santa Catalina.

Santa Catalina Lake drains to Juk'ucha River.

[3] This river flows in a mainly south-eastern direction towards the village Tuktapari.