Skip to main content
LakeQuality

Updated 2025

Best lakes to swim in Czechia

Best lakes in Czechia: 56 designated bathing waters are rated Excellent for 2025. This list is the 25 with the longest run of that class, of 62 rated sites. The class measures bacteria — it is not a LakeQuality A–F grade or a safety clearance.

Lake map

Loading map…

Longest-running Excellent lakes in Czechia

  1. Koupaliště Jesenice - DřeniceExcellent · Excellent 11/11 seasons
  2. Máchovo Jezero - BornýExcellent · Excellent 11/11 seasons
  3. Máchovo Jezero - DoksyExcellent · Excellent 11/11 seasons
  4. Máchovo Jezero - KlůčekExcellent · Excellent 11/11 seasons
  5. Máchovo Jezero - Pláž Hotelu PortExcellent · Excellent 11/11 seasons
  6. Máchovo Jezero - Pláž Staré SplavyExcellent · Excellent 11/11 seasons
  7. Rybník Velké DářkoExcellent · Excellent 11/11 seasons
  8. Vn Brněnská Přehrada - Kozí HorkaExcellent · Excellent 11/11 seasons
  9. Vn Brněnská Přehrada - RakovecExcellent · Excellent 11/11 seasons
  10. Vn Brněnská Přehrada - RokleExcellent · Excellent 11/11 seasons
  11. Vn Brněnská Přehrada - Sokolské KoupalištěExcellent · Excellent 11/11 seasons
  12. Vn Hracholusky - HrázExcellent · Excellent 11/11 seasons
  13. Vn Hracholusky - Na RadostiExcellent · Excellent 11/11 seasons
  14. Vn Lipno - Pláž černá V PošumavíExcellent · Excellent 11/11 seasons
  15. Vn Nechranice - TušimiceExcellent · Excellent 11/11 seasons
  16. Vn Orlík - Atc RadavaExcellent · Excellent 11/11 seasons
  17. Vn Orlík - LavičkyExcellent · Excellent 11/11 seasons
  18. Vn Orlík - PodskalíExcellent · Excellent 11/11 seasons
  19. Vn Orlík - PopelíkyExcellent · Excellent 11/11 seasons
  20. Vn Orlík - TrhovkyExcellent · Excellent 11/11 seasons
  21. Vn Pastviny - šlechtův PaloukExcellent · Excellent 11/11 seasons
  22. Vn Seč SemtínExcellent · Excellent 11/11 seasons
  23. Vn Skalka - U Atc PodhoříExcellent · Excellent 11/11 seasons
  24. Vn Slezská Harta - Nová PláňExcellent · Excellent 11/11 seasons
  25. Vn Těrlicko - PacalůvkaExcellent · Excellent 11/11 seasons

Frequently asked questions

What are the best lakes to swim in Czechia?
56 of the designated bathing waters in Czechia are rated Excellent for 2025. This page lists the 25 with the longest run of that class. The rating measures bacteria, not nutrients or clarity.
Is it safe to swim in Czechia lakes?
An Excellent class is not a safety clearance. It does not cover algal blooms, depth, or currents. Conditions change after heavy rain. Check local notices the day you go.
Does LakeQuality give A–F grades for lakes in Czechia?
No. Best-lakes lists for Czechia use the authority's own Excellent to Poor class. A letter on the LakeQuality scale would be an invention.

Best lakes in other countries

Lakes in Czechia

Every rated bathing water

Lakes in Europe

Directory of official lake water quality

Best lakes in Germany

1,738 Excellent swim sites

Best lakes in France

733 Excellent swim sites

Best lakes in Italy

595 Excellent swim sites

Best lakes in Netherlands

414 Excellent swim sites

Best lakes in Poland

294 Excellent swim sites

Best lakes in Austria

246 Excellent swim sites

Where to stay near Czechia

Lakeside stays near the best-rated swim sites in Czechia — live availability from Booking.com, Vrbo and Expedia.

Top-rated places to stay near Czechia

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a trip to Czechia?

Get lake water-quality report cards plus the best cabin & lodging deals near Czechia — straight to your inbox. No spam, unsubscribe anytime.

Where to stay near Czechia →