Skip to main content
LakeQuality

Best lakes to swim in Spain

Best lakes in Spain: 87 designated bathing waters are rated Excellent for 2025. This list is the 25 with the longest run of that class, of 109 rated sites. The class measures bacteria; it is not a safety clearance.

Lake map

Map shows 25 lakes with coordinates

Loading map…

Longest-running Excellent lakes in Spain

  1. Embalse Aguilar de Campoo Aguilar de Campoo Pm1Excellent · Excellent 11/11 seasons
  2. Embalse Alcorlo Toba (La) Pm1Excellent · Excellent 11/11 seasons
  3. Embalse Alloz Gues?laz/Gesalatz Pm1Excellent · Excellent 11/11 seasons
  4. Embalse As Conchas Bande Pm1Excellent · Excellent 11/11 seasons
  5. Embalse As Conchas Mu??os Pm1Excellent · Excellent 11/11 seasons
  6. Embalse Banyoles Banyoles Pm2Excellent · Excellent 11/11 seasons
  7. Embalse Bermejales Arenas del Rey Pm1Excellent · Excellent 11/11 seasons
  8. Embalse Buendia Buend?a 02 Pm1Excellent · Excellent 11/11 seasons
  9. Embalse Buendia Buend?a Pm1Excellent · Excellent 11/11 seasons
  10. Embalse Cuerda del Pozo Cidones Pm1Excellent · Excellent 11/11 seasons
  11. Embalse Cuerda del Pozo Soria Pm1Excellent · Excellent 11/11 seasons
  12. Embalse Cuerda del Pozo Soria Pm2Excellent · Excellent 11/11 seasons
  13. Embalse Cuerda del Pozo Vinuesa Pm1Excellent · Excellent 11/11 seasons
  14. Embalse de Castrelo Castrelo de Mi?o Pm1Excellent · Excellent 11/11 seasons
  15. Embalse de Ruesga Cervera de Pisuerga Pm1Excellent · Excellent 11/11 seasons
  16. Embalse Entrepe?as Aloc?n 02 Pm1Excellent · Excellent 11/11 seasons
  17. Embalse Entrepe?as Pareja 02 Pm1Excellent · Excellent 11/11 seasons
  18. Embalse Gonz?lez-Lacasa Ortigosa de Cameros Pm1Excellent · Excellent 11/11 seasons
  19. Embalse Joaquin Costa Puebla de Castro (La) Pm1Excellent · Excellent 11/11 seasons
  20. Embalse Orellana Orellana la Vieja Pm1Excellent · Excellent 11/11 seasons
  21. Embalse Rio Eume Pontes de Garc?a Rodr?guez (As) Pm1Excellent · Excellent 11/11 seasons
  22. Embalse San Juan San Mart?n de Valdeiglesias Pm1Excellent · Excellent 11/11 seasons
  23. Embalse San Juan San Mart?n de Valdeiglesias Pm2Excellent · Excellent 11/11 seasons
  24. Embalse Sant Antoni Conca de Dalt Pm1Excellent · Excellent 11/11 seasons
  25. Embalse Sant Antoni Sal?s de Pallars Pm1Excellent · Excellent 11/11 seasons

Frequently asked questions

What are the best lakes to swim in Spain?
87 of the designated bathing waters in Spain 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 Spain 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 Spain chosen?
By the authority's own Excellent to Poor bathing-water class and how many seasons that class has held, shown as reported.

Best lakes in other countries

Lakes in Spain

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 Spain

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

Top-rated places to stay near Spain

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.

Planning a trip to Spain?

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

Where to stay near Spain →