- Guided tours -
Saturday, Sunday (except beginning November to the end of March).
Daily in July and August

- Admission charge -

- End March and beginning November-
Daily from 10 a.m. to 5 p.m.

- From 1st April to 30 June
Daily from 10 a.m. to 5.30 p.m.

- From 1st July to 31 August
Daily from 10 a.m. to 6 p.m.

- From 1st September to 31 October
Daily from 10 a.m. to 5.30 p.m.

except when snow or ice make access impossible

- From 26 December to 30 December
Daily from 12 a.m. to 4 p.m.

- From 18 March 2007