History
| 1888 | On September 28th, 1887 the county of Bern gave permission to the municipality of Willigen to build a path through the "Aarlamm" from Sandey to the Finsteren Schlauche and up to the Hof-Meiringen road at Lammi. A handful of citizens from Schattenhalb and Meiringen grounded and financed a company which immediately began construction of the path. Within one year, the dangerous job was completed between both "Engen" and 12’000 people visited the gorge in this summer alone. In the following year, the galleries to the "Finsteren Schlauche" and the path to Lammi were completed. |
| 1889 | In the following year, the galleries to the "Finsteren Schlauche" and the path to Lammi were completed.In the same year a restaurant and ticket office with woodcarving shop were built at Sandey. 22’000 visitors went through the gorge during the summer. |
| 1895 | The Grimsel Pass road was opened. This brought an increase in the number of visitors to the Aare Gorge of over 34’000. |
| 1898 | The wooden gallery path to the east entrance was built. At the same time, the "Trochene Lamm" was reached by a steel construction across the Aare River. |
| 1912 | The tram Meiringen – Reichenbach – Aare Gorge was inaugurated. Flood-lights were also installed in the same year. |
| 1928 | New construction of restaurant. |
| 1942 | Ausbruchs des Gletschersees beim Grubengletscher (Grimselgebiet). Grosse Teile der Laufstege werden durch das Hochwasser zerstört. |
| 1947 | The opening of the Susten Pass road lead to a record of 180’000 admissions. |
| 1957 | The tram between Meiringen – Reichenbach – Aare Gorge went out of business and the tram lines were removed. |
| 1960 | The bridge and entrance to the "Trochenem Lamm" were demolished. |
| 1987 | Renovation of restaurant.. |
| 1993 | Safety tests carried out on the stability of the steel girders along the wooden paths are found to be sufficient. As an additional safety feature, further steel bars are added to all the hand rails. |
| 1998 | Construction of the covered terrace as conservatory and the new ticket office. |
| 2003 | Construction of the swing bridge over the Aare river made the east entrance to the gorge accessible by public transport. |
| 2005 | Construction of the children’s playground in front of the restaurant . |
| 2008 | New construction of the east entrance building with the restaurant 'Aare-Bistro'. |
Construction of the galleries 1888
Path 'Finstere Schlauche' to Lammi 1888
Restaurant 1889-1928
Path to 'Trockenen Lamm' 1898 - 1960
Tram 1912-1957