Pleistocene-Holocene sites located in the Sierra deAtapuerca, near the city of Burgos.
Settlements of Homo sp., Homo antecessor, Homo heidelbergensis, Homo neanderthalensis and Homo sapiens.
A complex of numerous sites formed in a karst cave system during the Pleistocene period. The most important cavities are:
- Gran Dolina
- Conjunto de la Covacha de los Zarpazos-Galería
- Tres Simas
- Sima del Elefante
- Sima de los Huesos
- Cueva Fantasma
- Portalón de la Cueva Mayor
- Cueva Mirador
Finally, open-air sites situated in the vicinity of the Sierra de Atapuerca are being explored.