On Friday 25.11.11 closes the now 31-year-old mountain railway Diavolezza its doors for almost three months. By 10.02.12 extensive modernizations and revisions will be carried out to bring the cable car to the newest standard. With an investment of CHF 4.5 million in the 2011/2012 season, this is the biggest project of Engadin St. Moritz mountain railways AG. On 11.02.12 guests can enjoy the convenience of the new cabins of the modernized Diavolezza mountain railways for the first time.
Here you can find out the operating times of the Engadin St. Moritz mountain railways for the 2011/12 winter season.
| Mountain railways | Start | End |
| Cable car Diavolezza | 22.10.2011 | 25.11.2011 |
| Cable car Diavolezza | 11.02.2012 | 27.05.2012 |
| Cable car Lagalb | 17.12.2011 | 15.04.2012 |
| Ski lift Languard | 17.12.2011 | 25.03.2012 |
| Mountain railways | Start | End |
| Funicular St. Moritz - Chantarella - Corviglia | 26.11.2011 | 15.04.2012 |
| Cable car Piz Nair | 26.11.2011 | 15.04.2012 |
| Cable car St. Moritz Bad - Signal | 26.11.2011 | 15.04.2012 |
| Chair lift Suvretta - Randolins | 03.12.2011 | 09.04.2012 |
| Mountain railways | Start | End |
| Cable car Marguns | 26.11.2011 | 15.04.2012 |
| Ski lift Quartas (Provulèr) | 03.12.2011 | 25.03.2012 |
| Mountain railways | Start | End |
| Cable car Corvatsch | 19.11.2011 | 01.05.2012 |
| Ski lift Cristins | 19.11.2011 | 01.05.2012 |
| Mountain railways | Start | End |
| Cable car Furtschellas | 14.12.2011 | 15.04.2012 |
| Mountain railways | Start | End |
| Ski lift Aela | 17.12.2011 | 15.04.2012 |
| Mountain railways | Start | End |
| Funicular Muottas Muragl | 17.12.2011 | 09.04.2012 |
| Ski lift Survih | 17.12.2011 | 18.03.2012 |
| Mountain railways | Start | End |
| Ski lift Müsella | 24.12.2011 | 18.03.2012 |
| Mountain railways | Start | End |
| Ski lifte Zuoz | 17.12.2011 | 18.03.2012 |