Sierra Grande de Hornachos, ZEPA Nature · Hornachos, Tierra de Barros, Badajoz The Sierra Grande de Hornachos was declared a Special Protection Area for Birds (ZEPA) in 1998, as well as a Zone of Regional Interest and a Site of Community Importance. 1998 (declaración ZEPA) Photo: Diegui57 (CC BY-SA 4.0) What to see and do in Hornachos