Here you will find the Rosskopf and Ladurns opening times: 
Summer season Rosskopf 201818/05/18-21/05/18+26/05/18-27/05/18+daily from 31/05/18-07/10/18+13/10/18-14/10/18+20/10/18-21/10/18+26/10/18-28/10/18
Cable car: 8:30am-5:00pm

High season 30/06/18-02/09/18
Cable car: mon - sat 8:30am-5:30pm, sun 8:30am-6pm
Chairlift Panorama: 9am-noon & 1:15pm-4:30pm

Winter season Rosskopf 2018/2019Daily from 01/12/18-31/03/19
Cable car: 8:30am-5pm