Valtellina Outdoor is a free Android app developed by GeoGraphics S.r.l. It is the official app for trails and itineraries in Valtellina and Valchiavenna, Italy. This app contains over 500 hiking trails with detailed descriptions, photos, technical data, and maps. It also offers personalized itineraries, downloadable routes in .kml and .gpx format, and pdf files for easy viewing. With Valtellina Outdoor, you can plan and download the best hiking routes for summer and winter seasons.

One of the most significant advantages of the app is that it allows offline access to all the trails. This feature ensures that you can access the app's complete functionality even without an internet connection. Furthermore, the app provides information about points of interest, such as refuges, bars, restaurants, and picnic areas.

Please note that in case of any malfunctioning, users are advised to uninstall and reinstall the app.

Overall, Valtellina Outdoor is a must-have app for those who love hiking and exploring the mountains. The app is easy to use, and its vast collection of hiking trails and features make it an ideal companion for anyone who wants to explore the beautiful landscapes of Valtellina and Valchiavenna.