Grafenmätteli is a steep Lake Zug wall dive with a dramatic right-hand profile, slight overhang near the entry and exit, and a strong sport and XR feel. The site has limited parking and a preferred right-hand route, so the dive starts with a tidy shore setup rather than a broad beach. Expect freshwater fish, pike, eels, and sea grass around the entrance, then a hard wall profile that rewards controlled buoyancy and careful lake planning. It is the kind of site that suits deliberate freshwater diving more than casual sightseeing.