The Catalan Pyrenees is a unit of relief in Catalonia. Correspond roughly to the eastern half of the Pyrenees mountain range, and within half mainly the southern and eastern slopes and a small segment of the northern slope in the Aran Valley, Andorra and Capcir
In the Catalan Pyrenees there are over 400 ponds. The biggest of all is the Certascan culd more than 100 meters deep.
The climate is predominantly mountain, with general characteristics of rigor and extreme values although there are variations of the field forces. One can distinguish four zones: a clearly alpine and subalpine climate, one of Atlantic climate, Mediterranean climate and two high mountain and mid-mountain and low.
Protected natural areas: