| Season | Monday | Tuesday-Friday | Weekends |
|---|---|---|---|
| January-February | closed | closed | closed |
| April | only excursions | only excursions | 9.30 - 16.00 |
| May | only excursions | 9.30 - 16.00 | 9.30 - 17.00 |
| June | 9.00 - 17.00 | 9.00 - 17.00 | 9.00 - 17.00 |
| July-August | 9.00 - 17.00 | 9.00 - 18.00 | 9.00 - 18.00 |
| September | only excursions | only excursions | 10.00 - 17.00 |
| October | only excursions | only excursions | 10.00 - 16.00 |
| November-December | closed | closed | closed |