The broom hare (Lepus castroviejoi) is a species of hare endemic to northern Spain. It is restricted to the Cantabrian Mountains in northern Spain between the Serra dos Ancares and the Sierra de Peña Labra. This region is about 230 km (140 mi) from east to west and 25–40 km (16–25 mi) from north to south. It lives in mountains at elevations up to 2,000 m (6,600 ft), though it descends during the winter to avoid the colder temperatures and snow. Its preferred habitat is heathland, containing mainly Erica, Calluna, and Vaccinium, with much shrub cover of Cytisus, Genista, and Juniperus. It also inhabits clearings in mixed deciduous forests of oak and beech.