The Nature Space of La Yecla y los Sabinares del Arlanza is an area which consists of mountains, canyons and deep gorges. The limestone rocks of the Peñas de Cervera mountains contain many gorges, one in particular is the famous La Yecla gorge which is a deep and narrow gorge from which the area takes its name. Situated to the south of Burgos, near Santo Domingo de Silos, it covers an area of 26,055ha.
A series of hanging bridges and walkways allow the visitor to visit the La Yecla gorge on foot.
Close by to the Nature Space of La Yecla y los Sabinares del Arlanza is the ruins of the monastery of Arlanza, the town of Covarrubias and the Romanesque cloister of Santo Domingo de Silos. The scenery surrounding the town of Barrio Suso is breathtaking, as it is surrounded by limestone peaks, of which the most notable is El Pico Valdesa at 1,412 m. There are also cave paintings to be found in the Cueva de San García.
Great series of pleated structures belonging to the Mesozoic system surrounding the Sierra de La Demanda, which contains both normal and inverted relief.
Due to its rocky characteristics it is home to copious amount of different species of raptor. These include griffon vulture, golden eagle, short-toed eagle, booted eagle, goshawk and peregrine falcon. Other birds include common partridge and various aquatic birds. Some of the mammals found here are wolf, wild boar, otters, roe deer, and wild cat.
The Nature Space of La Yecla y los Sabinares del Arlanza is home to some of the most extensive and well-preserved juniper woods in the world! Some of the juniper trees in Arlanza are over 2,000 years old. Also found here are holm oaks and Pyrenean oak amongst many other species.