| From | Italy 🇮🇹 |
| Date of birth | 18th May 1946 |
| Date of death | 29th Jun 1970 |
| Age | 24 years old |
| Gender | Male |
| Family | |
| Reinhold Messner (sibling) | |
Günther died while descending the Diamir Face on Nanga Parbat with his brother Reinhold Messner after making a successful ascent of the Rupal Face.