| 1962 | Gondola lift to the Ehrwalder Alm ( a combination between a chair lift and a gondola) |
| 1964 | Construction of the first “Klämmli lift” |
| 1974 | Construction of the "Hochbrand" lift |
| 1976 | Change in the circumstances of ownership. The railway passes into the ownership of the Tyrolean Zugspitze Railway |
| 1976 | Modification of the first “Klämmli lift” |
| 22. Dec. 1979 | Opening of the new single-cable revolving railway with closed lifts for 4 persons |
| 1983 | The “Issental” double-chair lift is put into operation |
| 1991 | Artificial snow equipment is set up |
| 1996 | Construction of the 6-seater “Ganghofer Blitz” chair lift |
| Dec. 1996 | Award of the slope seal of approval by the Tyrol state government |
| 2001 | Development of the Ehrwald Alm Railway 8-seater cable railway |
| 2007 | Construction of the “Gaistal” 6-seat chair lift with new slope |
| 2008 | Bau des Speichersees "Ehrwalder Almsee" |
| 2009 | Reconstruction of the minilift; New: “Sun Kid Megastar” |
| 2012 | Construction of the "Gaistal" ski run (blue) |
| 2014 | Construction Mountain Restaurant Tirolerhaus |
| 2017 | Development of the "Issentalkopf" 6-seater chair lift |
| 2020 | Funslope |
| Dec. 2022 | 99 new "Carvatech" cabins for the 8-seater cable railway |