Långbans gruvor (Kollegiegruvan)
Mine diving in Bergslagen · about 16 km from Filipstad
- Max depth
- 160 m
- Trimix from
- 45 m
- Type
- Backmount
- Certification (estimate)
- Intro to cave
Mined from the 15th century, systematically 1711–1972; the mine flooded after the pumps stopped in 1972. Långban is known for more than 300 minerals.
More about Långbans gruvor (Kollegiegruvan)
Signed-in divers also see:
- Whether this site fits everyone's certification, gas and gear
- Access, parking and the route from the road
- Exact map pin and navigation
- Depth profile and sumps
- Configuration advice
- Warnings with sources (2)
- DPV suitability
- Driving times from your stay and a plan with the AI instructor
News
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Current conditions
Visibility, flow and water levels change quickly. Right before your dive, check what other divers report:
- dykarna.nu – Tuna Hästberg ↗
Swedish diving community with recent dive logs (visibility, temperature), forum and news.
- gruvdyk.se ↗
Membership and booking system of the Swedish mine clubs, with the dive-day calendar.
Plan a cave diving trip to Bergslagen
Enter your team, with certifications, gas and configurations, and see right away which caves fit. With driving times from your stay, fill stations and an AI instructor who thinks along.
Certification requirements, configurations and trimix depths are estimates for planning. Always check them locally and dive within your training. Compiled from web research (Äventyrsgruvan/adventuremine.se, gruvdyk.se, X-Ray Mag Feb 2026, DYK 2010 and 2021, Metaller och Gruvor 2011, Waterpixels 2024, dykarna.nu (sites, logs, news), Oxygene Diving, Stockholms Dykcenter, Värmlands Museum, SVT, Karolinska, NetdoktorPro, Länsstyrelsen Jämtland, Wikipedia; Sept 2026). Pins from the operator and dykarna.nu; Långban's pin is the mine area (GeoNames), not the dive platform. ~ = estimate. Rules change — check locally.