Čumalezers is a lake in the north of Lībagu Parish, Talsu municipality, near highway P128, in the territory of the Talsi hillock nature park.
Area of water surface – 5,3 hectare
Average depth – 4,9 metre(s)
Maximum depth – 11,5 metre(s)
Metres above mean sea level (MAMSL) – 132 metre(s)