Queen Louise Adit in Zabrze

Queen Louise Adit (Sztolnia Królowa Luiza, roughly "SHTOL-nyah kroo-LOH-vah loo-EE-zah") in Zabrze is the underground heart of Poland's Coal Mining Museum: more than two centuries of mine workings, giant machines shown in motion and, best of all, a boat ride through a flooded, hand-dug drainage tunnel begun in 1799. It is one of the top things to do in Upper Silesia, Poland's old industrial heartland, and a memorable day trip from Kraków or Katowice.

A royal mine and a record-breaking tunnel

At the end of the 18th century this region belonged to Prussia, and the state mining office under Friedrich Wilhelm von Reden was searching for coal to feed royal ironworks. Coal seams were found here in 1790, and a state mine opened in 1791. In 1811 it was renamed in honor of Queen Louise of Prussia, wife of King Frederick William III, who had died the previous year. By 1898 Queen Louise was among the largest mines in Silesia, producing 3.3 million tons of coal a year with about 8,500 miners. After 1945, when Zabrze became part of Poland, it continued operating as the Zabrze mine.

The real star is the Main Key Hereditary Adit (in German Hauptschlüssel-Erbstollen). Work began in 1799 and lasted more than six decades, producing a tunnel 14.25 km (almost 9 miles) long that drained mines all the way toward today's Chorzów. For a time it doubled as an underground canal: from 1806 coal was moved by boats that workers pushed along by grabbing wooden pegs set in the walls. It is considered the longest structure of its kind in European coal mining. Sealed in the 1950s, it was excavated and reopened in stages from 2016, with the final boat section welcoming visitors in September 2018. Since 2020 it has been part of a national Historic Monument, Poland's highest heritage designation, covering Zabrze's historic coal mines.

Tours: which one to choose

All visits are guided, run at fixed times, and you wear a miner's helmet. The main options:

• Underground Boat Trip (Podziemny Spływ Sztolnią): about 2.5 hours, minimum age 6. A walk through the old workings followed by a boat ride along the flooded adit, billed by the museum as the longest underground boat trip in Europe. Tours in foreign languages are available at a higher price.
• Underground Journey in Time: about 2.5 hours, minimum age 6, telling the story from prehistoric forests to industrial mining.
• Underground Kingdom of Machines: about 1.5 hours, minimum age 4, a family favorite with huge mining machines running.
• Family Shift (Rodzinna Szychta): about 2 hours, minimum age 5, with hands-on tasks for kids.

Above ground, the Carnall Zone has a century-old steam engine that still runs, a historic miners' bathhouse and a winding tower with a viewing platform, while Park 12C is an outdoor science playground with a stone maze, water play area and camera obscura.

Is it worth visiting? Tips before you go

Yes, especially if you want to understand Silesia beyond the usual Kraków itinerary; the museum says it welcomes more than 400,000 visitors a year. The temperature underground is 12–16°C (54–61°F) year-round, so bring a sweater and sturdy shoes even in summer. Arrive 15 minutes early and double-check the address, because tours start from different sites. Plan at least half a day for the boat trip plus a stroll around the surface buildings.

Visitors with disabilities get reduced tickets. Because much of the route is authentic mine tunnel, contact the booking team in advance to arrange an adapted visit.

Tickets and opening hours (as of October 2026)

The sites at ul. Wolności 408 and ul. Mochnackiego 12 are open daily 9 a.m.–6 p.m. (a few tours run Tuesday to Sunday only). Prices are in Polish złoty (PLN) and are cheaper when you book online or pay in advance:

• Underground Boat Trip: 75 PLN adult, 60 PLN reduced or family rate (80/65 PLN at the ticket desk on the day). In a foreign language: 95/80 PLN.
• Underground Journey in Time: 50/40 PLN online.
• Underground Kingdom of Machines: 40/35 PLN online.

Reduced tickets cover students up to 26, retirees and people with disabilities; the family rate is per person, for groups of at least three. Bookings: +48 32 271 40 77 or rezerwacje@muzeumgornictwa.pl. Weekend and summer boat tours sell out, so buy ahead.

How to get to Zabrze

Zabrze sits in the middle of the Upper Silesian conurbation, about 19 km (12 miles) west of Katowice and around 100 km (62 miles) from Kraków, close to the junction of the A1 and A4 motorways. Katowice Airport is about 50 km away. There is paid parking right by both sites. By public transport, take tram 6 from Katowice and get off at "Zaborze Skansen Luiza".

Nearby

The same museum runs the Guido Mine (ul. 3 Maja 93), with a tour 320 meters underground and an underground pub; a combined Superticket saves money. Also within easy reach is Tarnowskie Góry, whose historic silver mine is a UNESCO World Heritage Site.