Visiting hours

Visiting hours

• The cave is open to the public from 1 April to 31 October from Tuesday to Sunday between 9.00am and 4.00pm.
• From January to March during weekdays, the cave is available to pre-booked groups.
• Cave tours are not available on Monday.
• Should a national holiday day fall on Monday, the cave is open from 9.00am to 4.00pm.
• Each tour lasts approximately 30 minutes, and the last tour begins at 4.00pm.
• If required for safety or other reasons, the cave may be closed either partially or completely. Should the cave be closed for a longer time, notifications will be posted on the given facility, disseminated through the media, or communicated through other suitable means.
• Times of individual tours are organised according to the number of visitors, the language used for the tour, and SJNŠ capacity.

Entry to the cave

• Groups may book their tours for a certain date and time by telephone and in line with the Visitor’s Rules. If a group fails to turn up at the cashier at least 10 minutes before the scheduled time, that group will lose its priority right to enter the cave.
• Motorists, including bus drivers, may only park in designated parking spaces.
• Tour fees are paid prior to entering the caves, and the amount of the entry ticket and possible discounts are specified in the attachment to the Visitor’s Rules.
• Each ticket is valid only for one visit, and purchased tickets are non-refundable.
• Children under the age of 6 must be mentioned when purchasing tickets for purposes of recording the number of persons underground.
• Audivisual recordings can be only make without using a tripod, selfie stick and flash. It is not allowed to retard the tour, move away from the group and hold down other visitors. If this instruction is violated, the guide may forbid making audiovisual recordings. Images and video recordings may not be used for commercial purposes without the aproval of the Cave Administration of the Czech Republic.
• Entry to the cave is organised by the tour guide according to the instructions of the dispatcher.
• The temperature in the caves is always around 8 °C; warm clothing is recommended,

Cave tours

• Each cave tour takes approximately 30 minutes. The minimum number of visitors per group is 1 person, the maximum number is 25 people.
• Entry to the cave without a tour guide is strictly prohibited.
• School groups, groups of visitors, company trips, or visits organised by travel agencies must provide their own group leaders.
• If the cave administration cannot provide a tour guide equipped with the required foreign language, the group leader must inform members of the group about their obligations under the Visitor’s Rules.
• During the tour, visitors are required to observe the instructions of the tour guide and requested not to disturb the narration.
• Take extra caution throughout the entire route, especially on stairs and when in narrow or low-ceilinged spaces. Hold on to handrails and pay attention to notifications issued by the tour guide.
• Should any extraordinary event occur (for example, a power blackout) visitors must remain in one location, keep calm, and observe the instructions of the tour guide.
• Visitors must report any injury or illness (including cases of nausea) during the tour to the tour guide, who will ensure that the situation is handled properly.

Protection of nature and equipment

The caves are a part of a special area protected by law ČNR Nr. 114/92 on the preservation of nature and natural landscapes. For this reason, all visitors must respect its requirements both on the surface and underground, must not damage natural phenomena (rock formations, tree species, plants etc.) and must only use paths open to the public. Breach of the preservation or damaging specially protected parts of nature is liable to a penalty of up to 50,000 CZK.

It is prohibited to:

- touch, break, or damage stalactites, sinter deposits, cave walls, or other cave formations;

- enter areas outside the tour walkways or leave the guided group;

- touch electrical or safety equipment;

- paint, write, or engrave on walls or stalactites;

- smoke, eat, drink, discard rubbish, or otherwise contaminate caves;

- bring large luggage, sporting equipment, hiking sticks, umbrellas, etc into the caves;

- bring dogs or other animals into caves or disturb bats 

Entry restrictions

• People under the influence of alcohol
• and children under the age of 10 adult accompaniment are prohibited from entering the cave.

Final provisions

• Should these rules be violated, the cave tour may be terminated prematurely and without reimbursement.
• Should the Visitor’s Rules be seriously violated (especially if a cave formation is damaged), a civil or criminal prosecution will be initiated against the offender.
• Wishes, suggestions, comments, or complaints may be submitted in writing by making a note in the comment book, which is available upon request at the entry ticket office.
• Motorists, including bus drivers, may only park in designated parking spaces