The Kleť observatory offers excursions for general public and schools on Saturdays and Sundays throughout the year and during the summer holiday (July and August). The observatory also operates two e-zins, which present news, interesting topics and latest developments in the research of asteroids and comets, at http://www.planetky.cz and http://www.komety.cz, both in Czech only.

| Date | Opening Hours for Public at the Kleť Observatory |
|---|---|
| January - May | Closed |
| June | Saturdays and Sundays guided tour started at 10:30, 11:30, 12:30, 13:30, 14:30 and 15:30 |
| July-August | daily guided tour started at 10:30, 11:30, 12:30, 13:30, 14:30 and 15:30 |
| September-December | Closed |
Entrance fee: 90,- CZK (students, children - 60,- CZK)