Pantano de San Juan << Previous Next >> Pantano de San Juan Visit their website Lat: 40.38249 - Lon: -4.31702 [Edit] View a larger map There is an informal and hidden nude beach on the eastern side of the reservoir that is accessed by driving a few kms along an unpaved road. Share this page Reviews Add your review Name: Email: Please enter the letters in the picture into the right hand box Other nearby naturist venues Río Lozoya (78 km)