A rugged landscape with many small gorges, small Quercus and Juniperus woods, scrub and arable cultivation. The main human activities are sheep-grazing and forestry.
This is an important breeding area for cliff-nesting raptors, particularly Gyps fulvus and Neophron percnopterus.
BirdLife International (2020) Important Bird Areas factsheet: Tiermes-Caracena. Downloaded from http://www.birdlife.org on 01/04/2020.