GR 20 - Corsica

1. Download and open the app, grant location permissions, and set your language and units. 2. Browse the GR20 overview and view each stage for distance, elevation profile, time estimate, difficulty, refuges, and water points. 3. Create your itinerary by selecting start and end points, dates, and pace, then save it and download offline maps and GPX tracks for your stages. 4. Before starting, pre-cache maps for offline use; on the trail, enable GPS to see your live position, follow the route line, and receive waypoint alerts. 5. Log progress with check-ins and notes, adjust your plan as needed, and access hut contacts, weather links, and emergency info. Export your track after the trek to review and share.