Bulgaria's Natural Wonders: Caves, Waterfalls & Rocks
Beyond its cities and beaches, Bulgaria hides a spectacular natural side: cathedral-sized caves, turquoise waterfalls, giant rock arches, and formations shaped over millions of years — most of them free, uncrowded, and jaw-dropping. This guide rounds up the country's greatest natural wonders and how to visit each one.
👁️ Prohodna Cave — the "God's Eyes"
Prohodna, near Karlukovo about 1.5 hours north of Sofia, is a walk-through cave famous for two eye-shaped openings in its ceiling — the "God's Eyes" (Oknata). In rain, water drips through them like tears. Free to enter and endlessly photogenic, it's one of the easiest wonders to reach from the capital.
🦇 Devetashka Cave
Devetashka Cave, near Lovech, is a colossal cavern whose enormous entrance and ceiling openings flood the interior with light. Home to thousands of bats, it has starred in films and is one of Bulgaria's most atmospheric caves.
💧 Krushuna Waterfalls
A short drive from Devetashka, the Krushuna Waterfalls near the village of Krushuna are a series of travertine cascades tumbling into turquoise pools, reached by an easy trail. Prettiest in spring, they're among Bulgaria's most family-friendly natural spots. (Krushuna doesn't yet have its own page on Mestala — explore more in our 15 must-visit places guide.)
🌉 The Wonderful Bridges
High in the Rhodope Mountains, the Wonderful Bridges (Chudnite Mostove) are giant natural rock arches carved by a collapsed river cave — a striking, easily walkable marvel surrounded by forest.
😈 Devil's Throat Cave
In the dramatic Trigrad Gorge, the Devil's Throat Cave hides Bulgaria's highest underground waterfall (~42 m) in a vast chamber called the Thunder Hall. A guided tour descends into the roar and climbs out via a long stairway. Legend says nothing that enters its waters ever resurfaces. Pair it with the nearby Yagodina Cave.
🪨 Belogradchik Rocks & Magura Cave
In the northwest, the towering red Belogradchik Rocks and the prehistoric paintings of the Magura Cave are a wonder-packed pairing — covered in full in our Belogradchik guide.
🕳️ More Show-Caves Worth Seeing
Bulgaria has hundreds of caves; standouts open to visitors include Saeva Dupka, the richly decorated Yagodinska Cave, and Uhlovitsa in the Rhodopes.
🧭 How to Visit
Most of these lie in the countryside and are best reached by car — see our getting around Bulgaria guide. Handily, they cluster:
- North of Sofia: Prohodna (Karlukovo).
- Near Lovech: Devetashka Cave + Krushuna Falls together.
- Rhodopes (south of Plovdiv): Devil's Throat, Yagodina, and the Wonderful Bridges.
- Northwest: Belogradchik Rocks + Magura Cave.
Caves stay cool year-round, so bring a jacket and sturdy shoes. For more inspiration, see our hidden gems of Bulgaria.
Bulgaria's natural wonders are astonishing — and still gloriously under the radar. Keep planning your trip with Mestala.com.
Frequently Asked Questions
What are the best natural wonders in Bulgaria?▾
Bulgaria's most spectacular natural sights include the Prohodna Cave with its 'God's Eyes' openings, the vast Devetashka Cave, the turquoise Krushuna Waterfalls, the Wonderful Bridges rock arches in the Rhodopes, the Devil's Throat Cave with its underground waterfall, the Belogradchik Rocks, and the Magura Cave with prehistoric paintings. Most are free or cheap to visit and refreshingly uncrowded.
What is the Prohodna Cave (God's Eyes)?▾
Prohodna is a through-cave near Karlukovo, north of Sofia, famous for two large, eye-shaped holes in its ceiling known as the 'God's Eyes' (Oknata). When it rains, water drips from them like tears. It's free to enter, walk-through, and one of Bulgaria's most photographed natural sights — an easy stop about 1.5 hours from Sofia.
Where are the Krushuna Waterfalls?▾
The Krushuna Waterfalls are near the village of Krushuna in north-central Bulgaria, not far from Devetashka Cave and Lovech. They are a series of travertine cascades and turquoise pools reached by an easy walking trail — one of Bulgaria's prettiest and most family-friendly natural spots, best in spring when the flow is strong.
Can you visit the Devil's Throat Cave?▾
Yes. The Devil's Throat Cave in the Rhodope Mountains is visited on a guided tour that descends past Bulgaria's highest underground waterfall (about 42 m) into a huge chamber known as the Thunder Hall, then climbs out via a long stairway. According to legend, whatever falls into its waters never resurfaces. It pairs well with the nearby Yagodina Cave and the Trigrad Gorge.
Are Bulgaria's caves and waterfalls suitable for families?▾
Many are. Prohodna is an easy walk-through, the Krushuna Waterfalls have gentle trails and pools, and show-caves like Devetashka, Saeva Dupka, and Yagodina have prepared paths and lighting. Some, like the Devil's Throat, involve many steps and are better for older children. Bring good shoes, and a light jacket — caves stay cool year-round.
How do you get to Bulgaria's natural wonders?▾
Most are best reached by car, as they lie in the countryside with limited public transport. Several cluster conveniently: Prohodna sits north of Sofia near Karlukovo; Devetashka Cave and Krushuna Falls are close together near Lovech; and the Devil's Throat, Yagodina, and Wonderful Bridges are all in the Rhodope Mountains south of Plovdiv.
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