Volunteers spend up to 30 days working with park operators, researchers, technicians and rangers in their various activities of prevention, control, education, assistance, maintenance and research. Work could involve: patrol activities by telematic methods, fauna and flora surveys, radio contact with the Park rangers, photographic reporting and special activities with young visitors. Participants must be over 18 years old and should have some previous experience in the natural environment. They should also be prepared to stay in the mountains in basic living conditions. Lodging and a contribution towards the cost of food are provided. Volunteers can assist throughout the year. Those interested can obtain an application form on their website.