There will be a Bahnfest at Landquart on 11/12 June.

One of the highlights will be the shuttle train between the Infrastrukturstützpunkt and the Güterumschlagzentrum. 9 of these shuttles will be worked by steam loco 'Heidi', the other 5 shuttles being worked by one of their GEAF 2/2 electric shunters:-

https://www.rhb.ch/en/news-events/175-jahre-schweizer-bahnen#c39660