Few European towns can claim a setting like this: Banská Štiavnica sits inside the caldera of an extinct volcano in central Slovakia, and it grew rich — spectacularly rich — on silver. In the Middle Ages it ranked among the wealthiest mining towns on the continent, and since 1993 the town and the technical monuments around it have been on the UNESCO World Heritage list. Today it is one of Slovakia's most atmospheric places: steep cobbled lanes, burgher houses, galleries and cafés, all wrapped in green volcanic hills.
A town built on silver
In the 18th century the Štiavnica mines supplied a large share of the Habsburg monarchy's silver, and the money shows. The gently sloping main square, Trojičné námestie, is lined with Renaissance and baroque palaces of mining entrepreneurs and crowned by a monumental baroque plague column of the Holy Trinity, carved by Dionýz Stanetti. Start your walk here — every side street climbs towards views of the caldera rim.
Two castles: Old and New
The town's silver needed protecting from Ottoman raids, so it got not one fortress but two. The Old Castle (Starý zámok) is a Romanesque church converted into a stronghold, now housing museum exhibitions. The New Castle (Nový zámok), a white six-storey Renaissance watchtower on Frauenberg hill, offers arguably the finest panorama of the town. Both can be seen in half a day; tickets cost roughly 3 to 5 euros each.
Tajchy: mining lakes you can swim in
Banská Štiavnica's most unusual legacy is its system of tajchy — artificial reservoirs designed in the 18th century by mining engineers such as Matej Kornel Hell and Samuel Mikovíni to power mine machinery and pumps. Around sixty were built; more than twenty survive, and in summer they double as natural swimming spots. The favourite is Počúvadlo, below Sitno hill, with small beaches, paddleboard rental and snack stands. Swimming is free, and the season runs from June to early September.
Go underground — then climb the calvary
The open-air Mining Museum (Banské múzeum v prírode) delivers the experience you will remember longest: a descent into the genuine Bartolomej mining tunnel, helmet and lamp included, guided by a former miner. Tours take about 90 minutes and cost around 10 to 12 euros. Above the town rises the baroque calvary, built between 1744 and 1751 — a procession of chapels climbing a steep volcanic cone, widely considered one of the most beautiful calvaries in Europe. The walk up takes half an hour and the view is worth every step.
The academy and the artistic vibe
In 1762 Empress Maria Theresa founded the Mining Academy here — widely regarded as the world's first technical university. The student spirit never quite left: today the town hums with artists, small galleries, secondhand bookshops, summer festivals and cafés where you sip espresso overlooking red rooftops. In the evening, order a glass of local wine and simply wander.
With extra time, hike up Sitno, the highest peak of the Štiavnica Hills — a marked trail leads straight from Počúvadlo lake and takes about an hour and a half, ending at a lookout tower with views across half of central Slovakia. For lunch, try the local classics: bryndzové halušky (potato dumplings with sheep cheese) or a hearty goulash in one of the taverns on the square.
Practical information
- Getting there: about 2.5 hours by car from Bratislava (180 km), 45 minutes from Banská Bystrica. By train, change at Hronská Dúbrava; direct buses run from Bratislava and Zvolen.
- How long: two days is ideal — one for the town and the mine, one for the tajchy, the calvary or a hike up Sitno (1,009 m).
- Costs: museum entries 3–12 euros, a restaurant lunch 8–14 euros, coffee around 2.50 euros.
- When: June–September for swimming, autumn for forest colours, December for a genuinely charming Christmas market.
Banská Štiavnica is not a town to tick off on the way somewhere else. It rewards slowing down — which is exactly why people keep coming back.