If the tickets available online are sold out, it is still possible to buy them at the Ticket Office of the Caves, in San Vittore delle Chiuse. Admission is guaranteed.
Buy in tickets.frasassi.com
ATTENTION! Tickets ARE NOT REFUNDABLE, in case of non-use or arrival after the time written on the ticket. It will therefore be necessary to pay another ticket for a subsequent tour. Dogs are allowed only if transported in a pet carrier; dogs on a leash are not permitted. For large dogs, there are 3 concrete dog boxes available near the ticket office, equipped with a front metal grate that can be locked with a padlock.
Located in a safe and shady place, they are not guarded. The visitor can use the pit space for a limited period of time for the visit to the cave, it cannot be booked and availability is requested once they arrive on site.
They have a medium inclination esteemed in 3 grades and present ,on its sides, deep etchings which, besides indicating the quantity of water that crossed them, reveal the solvent power of water on limestone. Sulphureous water penetrated in the paleo-rooms and , through the sub-horizontal conduits, entered the outside hydrography. These conduits are very important because allow the exchange of sulphureous water and a continuous reaction.