Occurrence of Attributes in Original Text

The text related to the cultural heritage 'City of Quito' has mentioned 'River' in the following places:
Occurrence Sentence Text Source
[2] It is located in the Guayllabamba river basin, on the eastern slopes of Pichincha,[3][verification needed] an active stratovolcano in the Andes Mountains.
Quito is located in the northern highlands of Ecuador in the Guayllabamba river basin.
The valley of Guayllabamba River where Quito lies is flanked by volcanoes, some of them snow-capped, and visible from the city on a clear day.
The park has four sites that can be used for picnics or barbecues, and the eastern section has a view of Cotopaxi, Antisana, and the Guayllabamba river basin.