Hradišťský vrch Quarry
Lom Hradišťský vrch
Lom Hradišťský vrch, also known as Okrouhlák, is a flooded basalt quarry near Konstantinovy Lázně. It offers natural swimming and diving in clear water, rich with freshwater fish.

📜 Lom Hradišťský vrch is a flooded basalt quarry, uniquely shaped like a giant dog's paw print, located on Hradišťský vrch near Konstantinovy Lázně.
🔍 This site is a former basalt quarry, active from the late 19th century until 1997, and features impressive basalt columns up to 3 meters thick, evidence of ancient volcanic activity.

Why Go

☀️ Enjoy natural swimming with a sandy beach.
🏄‍♀️ Experience diving and scuba diving in depths up to 13 meters, with visibility up to 10 meters in shallower parts (0-7m) during autumn.
🐠 Discover rich freshwater life including carp, pike, catfish, crayfish, and water snails.
🚶‍♀️ The quarry is accessible via the Hradišťský vrch Educational Trail.
✈️ Combine your visit with trips to nearby Gutštejn Castle, Krasíkov Castle, or the healing springs of Konstantinovy Lázně.

Why Avoid

⚠️ All activities, including swimming and diving, are undertaken at your own risk.
🚫 Due to significant depth (up to 13m), the quarry is not suitable for small children or non-swimmers.
⚠️ Visibility can be reduced by a milky haze below 7 meters, and may be poor at times (e.g., 0.5-1m in summer).

Cost

🎟️ Entry fees: Adults: 100 CZK
Diving: 100 CZK (as of 2017)
🅿️ Parking: Natural parking lot available near the quarry.

Facilities

🏕️ Camping is possible in the rear part of the quarry, though specific dates may be fully booked.
🍽️ A snack stand is available on-site.

Getting There

🚗 By car, the quarry is approximately 1 km from Konstantinovy Lázně and 40 km from Plzeň. Follow signs towards Okrouhlé Hradiště from Konstantinovy Lázně, then turn left at the 'přírodní jezero' sign.
🚌 Public transport options include train stops at Břetislav or Konstantinovy Lázně, or a bus stop 'Konstantinovy Lázně, kamenolom' (limited service).
🚶‍♀️ The quarry is reachable by foot from Břetislav (approx. 1.7 km) or Konstantinovy Lázně (approx. 1.5 km via marked trails).

Managed By

🤝 The quarry is privately owned. Contact Mr. Hájek at 608960555.

Tags
DivingSwimmingQuarryNatureBasaltKonstantinovy LázněHikingGeological site