A mountainous area comprising the Montes Aquilanos and the Sierra del Teleno ranges. The vegetation is a mixture of deciduous and mixed forest, scrub, Pinus plantations and alpine grasslands. Human activities include hunting and forestry.
This is an important area for cliff-nesting raptors and forest birds. Species of global conservation concern that do not meet IBA criteria: Falco naumanni (100 non-breeding individuals).
Pressure/threats to key biodiversity
The main threats are from frequent fires, development of skiing infra-structure, hydro-power schemes and the afforestation of grasslands.
National Low International Partial1,115 ha of IBA covered by Natural Monument (Las Médulas, 1,115 ha). IBA overlaps with World Heritage Site (Las Médulas).