- Who
- Rottumtaler Alphornbläser
- Where
- Germany (Ochsenhausen)
- When
The longest alphorn is "Corno vivo Oli", which is 26.46 m (86 ft 9 in) long and weighs 92.5 kg (203.93 lb). It was made out of a single Douglas fir by the Rottumtaler Alphornbläser (Germany). It was presented and measured in Bellamont, Germany, on 16 September 2012.
