📜 Flooded basalt quarry near Konstantinovy Lázně, a nature reserve since 1990.
🔍 Known as Okrouhlák, its shape resembles a giant dog's paw print.
🌊 Natural swimming on sandy and grassy beaches
🤿 Diving in clear water up to 13 meters
🐠 Discover rich freshwater life (fish, crayfish)
🚶♀️ Explore the 5.5 km educational trail
⚠️ Activities at your own risk
🚫 Not suitable for small children or non-swimmers due to depth
🌫️ Visibility can be poor, especially below 7 meters
🍂 Diving visibility often better in autumn
🐶 Dog-friendly corner available
💰 Last hour ticket discounts offered
💰 Adults 50-100 CZK, children 4-16 free or 50 CZK depending on season; season passes and overnight fees available.
🕒 Pedestrian access 24/7. Ticket office daily 9 AM - 7 PM (main season), weekends 10 AM - 6 PM (low season).
🅿️ Car entry fee 100-150 CZK, overnight parking 200 CZK/night.
🍽️ Cafe and snack stand offer refreshments including vege-vega options.
🏕️ Camping available in the rear part. Fees: Caravan 450 CZK/night, Tent 300 CZK/night, Person 150 CZK/night.