The document summarizes nature activities and physical activities that can be done in the Ruidera's lagoons in Spain. It provides details on camping and activities organized by RuiderActiva, including sailing and scuba diving costing 35-42 euros for 3 hours. The activities take place from 10:30-16:30 requiring necessary equipment. People can enroll online or by phone. The document describes the beautiful landscape for enjoying birds, fish and wildlife and notes additional activities like kayaking, snorkeling, trekking and cycling available at the location.