Czech Republic
The Underwater Caves
About this Dive Site
Description
Navigate the intriguing underwater labyrinth of small to medium-sized caves in Quarry Hracholusky, a site renowned for its potential for exciting night dives. While the cave depths vary, the deepest sections can reach up to 20 meters, offering a challenging yet rewarding exploration for cautious divers. Be prepared for intricate passages and the possibility of encountering nocturnal aquatic life.
Best Time to Dive
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4°C | 3°C | 8°C | 13°C | 18°C | 22°C | 25°C | 26°C | 21°C | 16°C | 10°C | 6°C |
Peak Season
June, May, July, September
Jan
Ice diving possible, but requires extreme caution and experience.
Feb
Ice diving possible, but requires extreme caution and experience.
Mar
Ice melt can temporarily reduce visibility.
Apr
Fish begin to become more active as water warms.
More monthly highlights
May
Good visibility, increasing fish activity, potential for seeing pike and perch.
Jun
Excellent visibility, abundant aquatic life, ideal for exploring the quarry's features.
Jul
Warm water, good visibility. Popular for training dives.
Aug
Warmest water, but visibility can decrease slightly due to increased activity.
Sep
Water starts to clear up, excellent visibility and pleasant temperatures.
Oct
Autumn colors underwater, fish becoming more active before winter.
Nov
Colder water, but can offer good visibility. Less aquatic activity.
Dec
Water is very cold, potential for ice formation. Limited diving opportunities.
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