transparent water of ceira river beach in garganta do cabril, vila nova do ceira portugal

transparent water ceira river beach garganta cabril vila nova portugal geological formation cliffs serra natural nature swimming summer relax zen leisure tranquil trees quartzites water valley isolated remote wild mountain hill rock stone pure scenic canyon touristic vacation beach countryside environment fresh tourism travel cabril ceira outdoor destination fragas green landscape fluvial river formation garganta doors geomorphological range lousa serpins portuguese portugal europe