- Who
- Haus Hiltl
- What
- 107:360 year(s):day(s)
- Where
- Switzerland (Zurich)
- When
The oldest vegetarian restaurant is Haus Hiltl, founded on 3 July 1898 in Zurich, Switzerland, and managed by the Hiltl family (Switzerland) since 4 July 1904. Haus Hiltl is located in 28 Sihlstrasse and continues to be managed by the fourth generation of the Hiltl family as verified on 28 June 2012.