Juniper grove of Mount Chaparral Nature · Lozoya, Sierra Norte, Madrid Image of Lozoya, not of the place itself. On the north-eastern slope of Monte Chaparral grows the only juniper wood in the Region of Madrid, a mixed stand of Spanish junipers and holm oaks looking out over the Pinilla reservoir, at the head of the upper valley of the River Lozoya. Photo: Dirección General de Turismo. Consejería de Economía e Innovación Tecnológica. Comunidad de Madrid (CC BY 3.0 es) What to see and do in Lozoya