On this circular walk between Parede beach and Avencas beach, participants will have the opportunity to explore, accompanied by a technician, the biological and geological diversity of this protected area. Note: the activities are subject to weather conditions and tides. Duration: 2h. Target audience: Over 12 years old. Minimum of 15 participants. Registrations: https://atividadesnatureza.cascais.pt/. Organization: Cascais Ambiente.