A wide plain to the south of the River Tiétar with many creeks and small ponds. The reservoir is surrounded by extensive dehesas and areas of grassland and arable cultivation.
This is an important site for breeding herons and raptors and wintering Grus grus. Species of global conservation concern that do not meet IBA criteria: Aquila adalberti (resident).
BirdLife International (2019) Important Bird Areas factsheet: Campo Arañuelo-Valdecañas reservoir. Downloaded from http://www.birdlife.org on 27/06/2019.