celtic vetton sacred place nemeton, large boulder of granite rock surounded by trees at silla de felipe ii phillip ii chair

abantos acer attraction beautiful boulder branches celtic celts chair clouds del encina escorial europe felipe forest granite guadarrama heritage hill historic iberian ilex king landmark landscape large legend lorenzo machota madrid maple monarch monspessulanum montpellier moss mount mountain mountains national nature nemeton outdoor park patrimonio phillip place pyrenaica quercus roble rock sacred san scattered seat sierra sightseeing silla sky spain stone surounded tourism touristic travel trees tribe vetton winter