Lom Slověnický mlýn (COP)
Flooded quarry near Horní Slověnice, about 6 km from Lišov and 20 km from České Budějovice, built into an activity park. Its signature feature is a huge caisson entered at about 9-10 m with two dry floors, lighting and regularly renewed air, which has hosted record underwater stays (102.5 hours in 2015). Maximum depth is 28 m but the interesting part is above 12 m; visibility ranges from 0.5 to 4 m. There is a summer kiosk, toilets, a shower and a compressor.
Facts
- Region: Czechia – Bohemia: Quarries & Lakes
- Area: South Bohemia & Vysočina
- Depth: 0–28 m
- Level: beginner
- Current: low
- Type: lake, wreck
- Coordinates: 49.0356, 14.664 (approximate)
- Highlights: one of the largest underwater caissons in Europe, entrance at about 9-10 m, two dry floors with air exchange, training platform at 3 m, sheatfish, trout, sturgeon, koi carp, visibility 0.5-4 m
- Permit: Arrange diving with the operator beforehand; diving fee/rules not confirmed.
- Issuer / contact: COP Slověnický mlýn
- Phone: +420 774 060 600
- Address: Horní Slověnice 30, 373 72 Lišov
- Website: https://www.cop.cz
- Unverified: Diving fee and rules not published on the pages found; email not extracted.
- Tips: The area is freely accessible (you pay only for activities on site); parking is free. Diving fee and rules are not stated on the pages found - 100 CZK per dive for Narval club members per MS Diving; ask the operator (COP Slověnický mlýn) before arriving. Overnight stays in the caisson are possible by arrangement.