GBGeoApp is dedicated to the collection of geo-data, involving technicians, students and local communities through a participative approach, on land use, fauna, flora, livestock, water quality and other information needful for the knowledge of the environmental system of the Deosai National Park and its surroundings. Moreover, it can be used to suggest critical points (waste deposits, issues of water pollution, etc.) as well as ground truth data collection for map validation.