The Daule River is a river in Ecuador, in Guayas Province. At Guayaquil, it joins the Babahoyo River; from that point the confluence becomes the Guayas River.

Guayaquil, officially Santiago de Guayaquil, is the largest city in Ecuador and also the nation's economic capital and main port. The city is the capital of Guayas Province and the seat of Guayaquil C