Here you will find the Rosskopf Monte Cavallo opening times: 
Summer season 2018From 19/05/18-21/05/18, from 26/05/18-27/05/18 and daily from 31/05/2018-07/10/18, from 13/10/18-13/10/18, from 20/10/18-21/10/18, from 26/10/18-28/10/18
Cable car: 8:30am-5pm, in high season (30/06/18-02/09/18) until 5.30 pm
Winter season 2018/19Daily from 01/12/18-31/03/19