
"Biserna" Cave, nestled deep within the Shumen Plateau, is a true natural treasure and one of Bulgaria's most impressive underground galleries. With its explored labyrinths stretching over 3 kilometers, it offers a captivating journey into a world of bizarre formations and ancient silence. Its name, meaning "Pearls," is no coincidence – here you can witness unique cave pearls, slowly formed by dripping water, adding a mystical sparkle to the interior. "Biserna" is home to an astonishing variety of speleothems. You will be enchanted by majestic stalactites, towering stalagmites, ethereal draperies, and reflective water pools mirroring the fantastical shapes. Some of the most famous chambers include the "Concert Hall," where the acoustics are striking, and the "Hall of Stalactones," featuring gigantic columns reaching the ceiling. Its natural arches and formations evoke the grandeur of an underground cathedral. The cave is part of the "Shumen Plateau" Nature Park and has been declared a natural landmark. It is accessible for guided tours, making the experience safe and educational. Besides its aesthetic qualities, "Biserna" is also an important habitat for bats and unique invertebrates. A visit here is not just a walk, but an encounter with millions of years of geological history, leaving its indelible mark beneath the earth. Do not miss including this underground wonder in your itinerary when visiting the Shumen region!
Shumen
1.5 km away
Shumen
2.0 km away

Shumen
3.1 km away
Shumen
3.4 km away
Biserna is located in Shumen, Bulgaria.
Biserna is most easily reached by car. Use the coordinates above to navigate, or open the location in OpenStreetMap or your preferred maps app for turn-by-turn directions. Public transport options vary by region — for remote destinations a rental car gives the most flexibility.
Caves can be visited year-round — the temperature inside stays roughly 10–12°C regardless of season. Spring and autumn are quieter than peak summer. Bring a warm layer and sturdy footwear; some caves close in winter when access roads become impassable.
Access to caves varies. Show caves typically run guided tours during posted opening hours; wild caves require proper equipment and experience. Inside, the temperature stays cool year-round (~10–12°C) — bring a warm layer, sturdy non-slip footwear, and a torch even on guided tours.