Opening times Grossglockner High Alpine Road Beginning of May - 31 May 2019: 6.00 - 20.00 clock 1 June - 31 August 2019: 5.00 - 21.30 clock 1 September - 26 Oct 2019: 6.00 - 19.30 clock 27 Oct - early November 2019: 8.00 - 17.00 clock Last admission 45 minutes before night Closure.