Peak season now
Hranice Abyss
Hranice Abyss · Czech Republic
Hranice Abyss (Czech: Hranická propast) is the deepest flooded pit cave in the world. It is a karst sinkhole near the town of Hranice, Czech Republic.
Conditions
Depth
10 to 30 m
Open water and up
Current
Can be moderate
Can pick up on the edge
Visibility
10 to 20 m
Clearest in the calm season
Water
12 to 24°C
5mm wetsuit
Month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Water (°C) | 12 | 12 | 12 | 12 | 12 | 20 | 20 | 20 | 20 | 12 | 12 | 12 |
| Vis (m) | 5 | 5 | 5 | 5 | 5 | 10 | 10 | 10 | 10 | 5 | 5 | 5 |
| Current | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
Your chances of seeing each animal
Sand Lizard
Rare
Now and then
Smooth Snake
Rare
Now and then
European Crayfish
Rare
Now and then
Common Rough Woodlouse
Rare
Now and then
Ash-black Slug
Rare
Now and then
grass snake
Rare
Now and then
White-lipped Snail
Rare
Now and then
Roman Snail
Rare
Now and then
Gear