2025-05-02 00:00:00 Discover the mapping of the whole of Valais on a single platform. You can thus consult the official information of the cadastre (official surveying), zone allocation plans, hazard maps, underground cadastre, etc. All official information of the canton of Valais is present on this application. IG group, engineers and surveyors, your quality and local partner in Valais; A training company, with more than 35 years of experience, serving individuals, professionals and public authorities.