We will meet at Zurich HB (track 7) and take the train at 6:12am (RegioExpress 5057 Direction Chur). Getting back you can take a Bus from Surcuolm or a Train from Ilanz (to Zurich every hour via Chur). Estimated running time is 5-6h. Please contact me directly if you would like to join so I can watch out for you at the train.