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LakeQuality

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 safety clearance.

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Map shows 25 lakes with coordinates

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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.
How are the best lakes in Czechia chosen?
By the authority's own Excellent to Poor bathing-water class and how many seasons that class has held, shown as reported.

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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

Prices for Oct 9–11, 4 adults. Change dates on the map below.

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

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