Qillqaywank'a
 Qillqaywank'a (Quechua qillqay to write wank'a rock possibly rock with inscriptions hispanicized spellings Quilcayhuanca Quillcayhuanca) which downstream is called Qillqay is a river in the Ancash Region in Peru. It is a right affluent of the Santa River. Qillqaywanka is also the name of the gorge formed by the river.The river originates in the Cordillera Blanca west of the mountain Tullparahu near the lake Tullpaqucha. Its direction is to the southwest.