Reports describe the 39-year-old as an experienced climber who was familiar with alpine tours, while his 33-year-old partner had no experience at all and was relying on him to guide her safely through the trip.
The boyfriend has since been charged with manslaughter by gross negligence, according to Austrian outlet Heute, which has been following the case.
Prosecutors say he is accused of making nine serious mistakes during the tour, with the main one being that he decided to attempt the climb at all, especially when considering the ‘difficulty and altitude’ and his partner’s total lack of experience.

Elsewhere, the 39-year-old is accused of failing to make an emergency call in time before nightfall, not turning back early enough despite the harsh weather conditions, and not making any distress signals when a police helicopter flew over the area at around 10:50 p.m. on the fateful day.

His trial is scheduled to begin on February 19, 2026, and is expected to examine in detail how each of these alleged failures contributed to the tragedy.