Dive-site story
Located in the Hlboké jazero gravel pit lake in Senec, this freshwater training site centers around an intentionally submerged artificial shelter known locally as the blue house. Divers follow guideline courses across a gravel and silt bottom to explore sunken training platforms and small wreckage installations. The site sees heavy use for diver education and local weekend training runs due to easy shore access.
Submerged blue house structure acting as a refuge for freshwater fish
Network of training platforms and navigation lines across the bottom
Vegetated shallows populated by perch, carp, and roaming pike
Location
Use the map to plan with your operator and confirm the exact entry point on the day.
Seasonality
Late spring through autumn brings warmer shallow layers and active fish life, though winter offers crisper visibility under cold conditions.
Marine life
| Species | Likelihood | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Northern pikeEsox lucius | Common | ||||||||||||
| European perchPerca fluviatilis | Common | ||||||||||||
| Wels catfishSilurus glanis | Seasonal | ||||||||||||
| Common carpCyprinus carpio | Common | ||||||||||||
| Pumpkinseed sunfishLepomis gibbosus | Common |
Marine forecast
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