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River swimming in Switzerland: 2025 water quality

Switzerland reported 25 river bathing waters for the 2025 season. 72% were classified Excellent — 12.4 points below the 84.4% for all 160 bathing waters in the country — and 0 were Poor.

25

river bathing waters

72%

Excellent in 2025

0

Poor in 2025

Annual, not live: the 2025 class summarises several seasons of sampling. It does not show today’s pollution, algae or bans.
Where to check today's status in Switzerland

The cantons; national assessment by the Federal Office for the Environment (BAFU)

Official bathing season: Set by each canton. Switzerland follows a national recommendation rather than the EU directive; current results are on cantonal pages.

Annual EEA classes on this site do not show temporary bans, short-term pollution or algae alerts. Those are published by the competent authority. National information last checked 2026-11-01.

Badegewässer (BAFU, links to cantons) →

Find the nearest Excellent river to you →

Map of river bathing waters

Excellent 18Good 6Poor 0Not classified 1
PLAGE DE SAINT-BLAISE OUEST: Excellent (2025)SOLOTHURN: Excellent (2025)PONTON DE SOUS-TERRE: Excellent (2025)ZONA CASCATA PIUMOGNA: Excellent (2025)ZONA DIGHETTA: Excellent (2025)PLAGE DES JEUNES-RIVES: Excellent (2025)PLAGE DES ENFANTS: Excellent (2025)PLAGE DE LA TENE: Excellent (2025)DÉBARCADÈRE DU PONT-DE-SOUS-TERRE: Excellent (2025)POZZO TEGNA: Excellent (2025)PLAGE DE LA PLAINE: Excellent (2025)PLAGE DE SAINT-AUBIN: Excellent (2025)SOTTO IL PONTE: Excellent (2025)AARE MARZILI: Excellent (2025)SCHAFFHAUSEN RHEINBAD RHYBADI: Excellent (2025)MERIGGIO: Excellent (2025)AARE LORRAINE: Excellent (2025)RODENBRUNEN: Excellent (2025)ZONA VISLETTO: Not classified (2025)SPIAGGETTA DI ARBEDO: Good (2025)ZONA COOP: Good (2025)POZZO OSOGNA: Good (2025)CAMPING PARADIS-PLAGE: Good (2025)STEIN AM RHEIN STRANDBAD NIDERFELD: Good (2025)ZONA LODERIO GROTTI: Good (2025)TicinoNeuchâtelGenevaBernSchaffhausenSolothurnThurgauGraubündenGlarusSt. GallenValaisUriObwaldenNidwaldenLucerneZug
How to read this map: Each dot is one official bathing water, coloured by its 2025 rating; select a dot to open that site. Coloured areas are the regions; region names link to their pages. Sea and large lakes are blue, neighbouring countries grey. Positions: official EEA coordinates. Boundaries: Eurostat NUTS 2024, generalised (© EuroGeographics); lakes: Natural Earth. Outlines are simplified, so a few shoreline dots can sit just offshore.

How river bathing waters in Switzerland rated since 2015

Counts for the sites in today’s 2025 inventory; the Excellent share is calculated over classified sites only.

SeasonClassifiedExcellentExcellent sharePoor
2025241875%0
2024181583.3%0
20239666.7%0
202277100%0
202177100%0
20206583.3%0
201966100%0
20186583.3%0
20176583.3%0
201644100%0
201522100%0

Most consistent Excellent rivers

Ordered by the length of the unbroken Excellent run ending in 2025.

  1. RODENBRUNEN 10 seasons
  2. AARE MARZILI 9 seasons
  3. DÉBARCADÈRE DU PONT-DE-SOUS-TERRE 7 seasons
  4. PONTON DE SOUS-TERRE 7 seasons
  5. AARE LORRAINE 5 seasons
  6. SCHAFFHAUSEN RHEINBAD RHYBADI 3 seasons
  7. MERIGGIO 2 seasons
  8. PLAGE DE LA PLAINE 2 seasons
  9. POZZO TEGNA 2 seasons
  10. SOLOTHURN 2 seasons
  11. SOTTO IL PONTE 2 seasons
  12. ZONA CASCATA PIUMOGNA 2 seasons
  13. ZONA DIGHETTA 2 seasons
  14. PLAGE DE LA TENE 1 season
  15. PLAGE DE SAINT-AUBIN 1 season
  16. PLAGE DE SAINT-BLAISE OUEST 1 season
  17. PLAGE DES ENFANTS 1 season
  18. PLAGE DES JEUNES-RIVES 1 season

Rivers rated Poor in 2025

None of the 25 river bathing waters in Switzerland was classified Poor in 2025.

Changes from 2024 to 2025

Improved (0)

None.

Declined (2)

River bathing waters by canton

CantonSitesExcellentPoor
Ticino1050%0
Geneva3100%0

Cantons with at least three river bathing waters; counts include only this water type.

Near which major cities?

Sites within 60 km (straight line) of a major city covered by our city guides:

Rivers compared across Europe

#CountrySitesExcellentPoor
1Germany3773%0
2Czechia9172.5%0
3Netherlands7869.2%4
4Portugal11843.2%8
5France44441%62
6Poland10040%10
7Spain16435.4%28
8Hungary4533.3%1

Countries with at least 30 river bathing waters. Networks differ in size and in how sites are designated, so this is a descriptive comparison, not a safety ranking.

Quick answers

How many river bathing waters in Switzerland are rated Excellent?
18 of 25 (72%) in the 2025 EEA classification.
Which rivers in Switzerland have the best long-term record?
The longest current Excellent run is 10 seasons (RODENBRUNEN).
Can I check current conditions?
The annual class is not a live status. Current results and bans are published on Badegewässer (BAFU, links to cantons). Each site page on BathingWaterFinder also shows a weather forecast, including heavy-rain warnings.

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