Cusichaca River (possibly from Quechua kusi delight, joy, happiness / merry, joyful, content, happy, chaka bridge, "joy bridge", or k'usi a cucurbit species, a small zucchini or Cucurbita pepo, "zucchini (or Cucurbita pepo) bridge"), is a river in Peru located in the Cusco Region, Urubamba Province, on the border of the districts Machupicchu and Ollantaytambo. Its waters flow to the Vilcanota River.