Chestnut grove of Rozas de Puerto Real Nature · Rozas de Puerto Real, Sierra Oeste, Madrid Image of Rozas de Puerto Real, not of the place itself. The largest chestnut wood in the Region of Madrid, with century-old specimens reaching thirty metres in height, giving way to Pyrenean oak groves, pine woods and riverside vegetation in the foothills of the Sierra de Gredos. 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 Rozas de Puerto Real