Trekking San Pietro is the App of the Municipality of Carloforte to discover trekking routes, reach the beaches and visit the geosites of the Island of San Pietro. • TREKKING: choose the trekking itinerary based on the difficulty and duration. You can start trekking or reach the starting point of the route with maps, following the hiking map to always find your GPS position wherever you are, even without network coverage. Thanks to the GPS of the device, the app does not need data or a mobile s