Bear Cave in Kletno

Bear Cave in Kletno (Polish: Jaskinia Niedźwiedzia, roughly "yahs-KEE-nyah nyed-ZHVYEH-dzyah") is the longest cave in the Sudetes and one of the most beautiful show caves in Poland. Hidden in the Śnieżnik Massif near the Czech border, it is packed with snow-white and rust-colored dripstones and with bones of Ice Age animals, including the cave bears that gave it its name. If you're exploring Lower Silesia's mountains, it's a highlight — but you must book ahead, because daily visitor numbers are strictly capped.

Where it is

The cave lies in the Kleśnica valley outside the village of Kletno, about 10 km from the small town of Stronie Śląskie in the Kłodzko Land, southwestern Poland. From Wrocław, the nearest major city and airport, it's roughly 130 km — allow around 2 to 2.5 hours by car. There is no practical public transport to the door, so a car is the easiest option.

A discovery by dynamite

On October 14, 1966, a blast in a marble quarry opened a small hole in the rock. Workers who looked in found so many bones that they first suspected a mass grave. They turned out to be prehistoric mammal remains, quarrying was halted, and scientists from the University of Wrocław took over. In December 1967, cavers dug through to further passages richly decorated with formations.

Excavations in 1967–1970 yielded about 20,000 Pleistocene bones. Almost 90% came from cave bears, with remains of cave lions, cave hyenas, wolves and foxes too — Poland's richest cave-bear collection. The cave has been a nature reserve since 1977 and open to tourists since 1983. Exploration continues: in 2012, cavers found the vast Mastodon Hall and more than a kilometer of new passages. Sources differ: about 4.5 km (2.8 miles) on three levels or nearly 5 km (operator).

What you'll see

Tours cover the middle level on paved walkways. Expect stalactites, stalagmites, columns, draperies, "soda straws," rimstone pools and even cave pearls, in colors from white to deep orange. You'll also see cave-bear bones and a skeleton, both in the cave and in the entrance pavilion, and the tour includes a light-and-sound show. The temperature is a constant 6°C (43°F) with humidity close to 100%, so bring a warm layer even in August.

Tickets and opening hours

As of October 2026, according to the official website:

• Hours: entries 9:00–16:40 (ticket office until 16:30). Closed on Mondays, and on Thursdays outside the summer season (in 2026, Thursdays are open until October 15).
• Tickets (from January 1, 2026): adult 65 PLN (Polish złoty), reduced 50 PLN (children, students under 26, visitors with disabilities), senior 60 PLN, under-3s free. Photography costs an extra 15 PLN. A caving-style "extreme route" costs 370 PLN.
• Booking: online at bilety.jaskinianiedzwiedzia.pl or by phone, +48 600 580 670. Only a reservation guarantees entry; latecomers are not admitted. Collect booked tickets 15 minutes before your slot.

Tours last about 45 minutes, in groups of up to 15, and are led in Polish; the website doesn't mention English-language tours, so ask when booking.

Getting there, parking and accessibility

You can't drive to the cave itself — unauthorized driving can bring a fine of 1,500 PLN. Park in Kletno (cars 18 PLN, paid on entry, no time limit) and walk about 1.5 km, roughly 30 minutes uphill. Drivers with a disabled parking permit may use the staff lot below the pavilion. The operator warns of roadworks on the roads into Kletno and a temporary parking area, so build in extra time. Overall, plan 2.5–3 hours for the visit including the walk.

There's no age limit, but the light-and-sound show can frighten small children. Strollers and frame backpacks aren't allowed (soft carriers are fine), and bags go in a free locker. Dogs and other pets are banned, with nowhere to leave them on site. Wheelchair users enter via the exit lock and join the route partway; a loaner wheelchair is available if yours is wider than 78 cm. The operator advises against a visit for people with claustrophobia, heart disease, high blood pressure or epilepsy.

Is it worth visiting?

Absolutely — it's one of Poland's finest caves. Combine it with the nearby former uranium mine in Kletno, a hike up Śnieżnik (1,425 m), the spa town of Lądek-Zdrój, or the fortress in Kłodzko.