Lake Konětopy: a clear sand-quarry lake between Prague, Brandýs and Mělník
Lake Konětopy is a popular flooded sand quarry between Konětopy and Dřísy, with clear water, sandy and grassy beaches, refreshments, toilets, a playground, fishing and a paid area regime without dogs.
- Reading time:
- 6 min read
- Verified on:
- 14/05/2026
- Country:
- Czechia
- Region:
- Prague and Central Bohemia

Quick overview
- Place type
- natural swimming
- Recommended stay
- 1–5 hours
- Crowds
- high in hot weather
- Opening hours
- Check before visiting according to the current season and operator.
- Booking recommended
- No
- Tickets online only
- No
- Nudist beach
- No
- Water quality
- Konětopy is a natural sand-quarry lake. The water has a good reputation, but check current water quality before swimming, especially in hot summer.
- Best time
- summer morning, late afternoon
- Avoid if possible
- hot weekend midday
Lake Konětopy is a well-known sand-quarry swimming spot within reach of Prague. It lies between Konětopy and Dřísy, close to Stará Boleslav, Lhota and the Elbe lowlands.
This is not a completely wild free-access lake. The area is partly fenced and has admission, opening hours, toilets, refreshments and parking. Compared with Sadská, it feels more organized; compared with Lhota, it can feel calmer and less like a large-scale summer resort.
Why visit
The main reason is the water. Konětopy has a reputation for clean swimming, sandy and grassy beaches and a simple natural-swimming atmosphere.
It suits families, swimmers and visitors who want a natural lake but do not want to improvise at a completely free shore.
Swimming and atmosphere
Konětopy is a sand-quarry lake, not a city pool. Expect natural water, simple services and a summer beach atmosphere. Hot weekends can be busy, so mornings, weekdays and late afternoons are better.
Dogs, fishing and services
Dogs are not allowed in the area, which is important to know before going. Fishing is also part of the site’s use, with permits handled by the operator.
Practical tip
For a first visit, driving is easiest. Prices differ between available sources, so check the current operator price list or ask at the ticket office.
Summary
Lake Konětopy is a solid natural-swimming choice near Prague: clean water, sandy and grassy beaches, basic facilities and a calmer character than some better-known sites.
Sources and verification
Sources used to verify prices, opening details, rules, and practical information.
Information verified on: 14/05/2026