Mežica, Koroška
Mežica Mine, three ways into Mt Peca
- Name
- Podzemlje Pece
- Minerals
- Lead and zinc
Mežica Mine, now a show mine and museum under the name Podzemlje Pece, can be visited three ways: on the old mining train, the easiest and fine for children; by kayak through flooded galleries; and by bike, more than 5 km underground from one valley to the next. These are lead and zinc tunnels dug beneath Mt Peca, and every visit has to be booked.
Mežica Mine, step by step
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Pick your tour
Choose between the mining train, the kayak through flooded galleries and the underground bike route.
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Book ahead
Departures are fixed and some need a minimum number of people, so always book before you go.
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Dress for the mine
Bring warm clothing and closed shoes; it's cool inside the mountain whatever the weather outside.
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See the museum
The museum opens Tuesday to Sunday, 9:00 to 15:00, with minerals in the old English owners' building.
Tue-Sun 9:00-15:00
What I would book
If you only do one thing in Koroška, make it this. With children I'd choose the train; if you like adventure, the kayak, which is unlike any other visit. I'd book ahead and bring a jacket and closed shoes.
Mežica Mine: the quick answer
Full read: 2 min
- A lead and zinc show mine and museum below Mt Peca.
- Tours by mining train, bike and kayak.
- Kayak and bike tours with the Slovenia Unique Experience label.
- Museum open Tuesday to Sunday, 9:00 to 15:00.
My key points
What the official sites leave out
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01 Worth the splurge
Paddle inside the mountain
The kayak trip glides through flooded galleries of clear, calm water in what the tourist board calls the largest lead and zinc mine in this part of Europe.
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02 Most beautiful
Go in like the miners did
The mining train takes you deep into the mountain the old way, and the visit is rounded off by the mineral museum by the entrance.
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03 My tip
Black Hole Trail is for experts
The Black Hole Trail bike descent is designed for very experienced, technically skilled riders, with some very demanding sections, according to the mine.
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04 Getting there
Inside a geopark
The mine is part of the Karawanken UNESCO Global Geopark, which links municipalities in Slovenia and Austria around Peca.
Karawanken Geopark
By mining train, the classic tour
This is the classic tour and the easiest, children included, with no special skills needed. You ride deep into the mountain on the mine train, as the miners did, and follow the story of the workings. Departures are at 9:00, 11:00, 13:00 and 15:00 for groups of more than ten, and individuals and families join a group already formed.
By kayak and by bike underground
The kayak takes you through flooded galleries of clear, calm water, and as you paddle you hear what the mine was like when the machines were humming. It leaves at 9:00 and 11:00, with a minimum of two people. By bike you ride right through the mountain on an underground route of over 5 km, with departures at 10:00 and 14:00. The tourist board gives both experiences the Slovenia Unique Experience label. Separately there’s the Black Hole Trail, a technical descent designed for very experienced riders.
Booking, clothing and practical tips
Always book, because departures are fixed and some need a minimum number of people. Bookings are taken by phone or email every day between 9:00 and 15:00. Prices are published on the mine’s website. I’d bring a warm layer and closed shoes, and save the rest of the day for the Meža valley or Ravne na Koroškem.
If you are staying the night, see the best hotel deals in Mežica for your dates: the well-placed rooms go fast.
What Podzemlje Pece is
It’s the name of the Mežica show mine and museum, in Koroška, that runs part of the labyrinth of lead and zinc tunnels dug beneath Peca. The tourist board puts that labyrinth at around 1,000 km, the result of centuries of mining. The mine no longer produces anything, and its abandoned tunnels have become the setting for the tours.
The mine museum
The museum opens Tuesday to Sunday, 9:00 to 15:00, with mineral collections in the old building of the mine’s English owners. The Karawanken Geopark has its information point right beside it. For children there’s a space to hunt for the dwarf Perkmand’lc’s treasure and, outside, an adventure park about dinosaurs and King Matjaž, who legend says sleeps beneath Peca.
So you do not lose the morning at the ticket office, browse tickets and tours in Mežica Mine on GetYourGuide.
Christmas and events inside the mine
The mine’s spaces are also used for special events, company meetings and team-building programmes, according to Podzemlje Pece. Every Christmas, in the old hall where the shift used to assemble, a concert has been held for more than twenty years, with Slovenian performers such as Vlado Kreslin among those who have played there.
If you are staying the night, see the best hotel deals in Mežica for your dates: the well-placed rooms go fast.
Podzemlje Pece tours
| Tour | Departures | Conditions |
|---|---|---|
| Mining train | 9:00, 11:00, 13:00 and 15:00 | Groups of over 10; individuals join |
| Bike through the tunnels | 10:00 and 14:00 | Minimum 2 people |
| Kayak through flooded galleries | 9:00 and 11:00 | Minimum 2 people |
| Museum | Tuesday to Sunday, 9:00-15:00 | Closed Mondays |
Podzemlje Pece, checked on 17 October 2026. Bookings by phone or email, 9:00-15:00; prices on the mine's website.
Yellow mining loader on rails displayed outside the Mežica mine museum, below Mount Peca
The Meža river flowing through Mežica between stone walls, houses and the wooded valley slopes
Test yourself
True or false?
0/3 Pick before you peek.
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At Mežica Mine you can cycle from one valley to another.
See the answer
True. The underground route covers more than 5 km of abandoned tunnels.
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The mine museum opens on Mondays.
See the answer
False. It opens Tuesday to Sunday, 9:00 to 15:00, and is closed on Mondays.
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The Black Hole Trail is a gentle family route.
See the answer
False. It's a technical descent designed for very experienced riders.
Map
Where Mežica Mine is
The Julian Alps, Triglav and the Soča valley lie to the north-west; Ljubljana sits in the centre; the Karst, its caves and the 47 km of coast are to the south-west, and Maribor, Ptuj and the Prekmurje plains to the east. Every number opens its guide.
Quick questions about Mežica Mine
How can you visit Mežica Mine?
In three ways: on the mining train, by bike through the tunnels or by kayak through flooded galleries. The train leaves at 9:00, 11:00, 13:00 and 15:00; the bike at 10:00 and 14:00; the kayak at 9:00 and 11:00.
When is the Mežica Mine museum open?
Tuesday to Sunday, 9:00 to 15:00, and by appointment. It's closed on Mondays, according to Podzemlje Pece.
Do you need to book?
Yes, especially for the bike and kayak tours, which need at least two people. Bookings are taken by phone or email between 9:00 and 15:00.
What is the Black Hole Trail?
A mountain bike descent through the mine's abandoned tunnels, with the Slovenia Unique Experience label, designed for very experienced riders.
Is there anything for children at the mine?
Yes. There's a space for hunting the dwarf Perkmand'lc's treasure and, outside, an adventure park about dinosaurs and King Matjaž.
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Questions about Mežica Mine? Write to me
I read every email. If a fact is wrong or missing, tell me and I will check it.
My email sergiolepone@gmail.com
By
Tourism graduate with a master’s in Tourism Management and Planning from the University of Málaga, who has travelled across Europe. He writes every guide from official sources and his own judgement.
Published on . Updated on . Facts checked on .
Sources
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Photos: NearEMPTiness (CC BY-SA 4.0); NearEMPTiness (CC BY-SA 4.0); Savinjc (CC BY-SA 4.0), via Wikimedia Commons.