Clearest lakes in Poland
Clearest lakes in Poland: 748 named lakes have an official Secchi depth. The 20 below are ranked by that reading, water clarity as the authority reports it.
Lake map
Map shows 20 lakes with coordinates
Highest Secchi readings in Poland
| Lake | Place | Total phosphorus | Chlorophyll-a | Secchi | Year |
|---|---|---|---|---|---|
| Białe Wigierskie | LW30622 | 25 µg/L | 2.8 µg/L | 8.2 m | 2025 |
| Piaszno | LW20312 | 16 µg/L | 4.0 µg/L | 6.9 m | 2024 |
| Budzisławskie | LW10398 | 36 µg/L | — | 6.5 m | 2026 |
| Jeleń | LW20991 | — | 4.7 µg/L | 6.3 m | 2026 |
| Lubikowskie | LW10332 | 16 µg/L | 3.7 µg/L | 6.3 m | 2025 |
| Ostrowite | LW20299 | 18 µg/L | 3.1 µg/L | 6.3 m | 2024 |
| Buszno | LW10380 | 19 µg/L | 1.9 µg/L | 6.0 m | 2025 |
| Hańcza | LW30614 | 29 µg/L | 3.0 µg/L | 6.0 m | 2025 |
| Białe Filipowskie | LW30583 | 57 µg/L | 3.9 µg/L | 5.5 m | 2024 |
| Durowo | LW10217 | 33 µg/L | — | 5.5 m | 2026 |
| Leleskie | LW30433 | — | — | 5.4 m | 2026 |
| Bobięcińskie Wielkie | LW20887 | 13 µg/L | 5.2 µg/L | 5.3 m | 2025 |
| Piaseczno | LW30692 | — | 2.4 µg/L | 5.3 m | 2026 |
| Trzebielsk | LW20315 | 18 µg/L | 6.0 µg/L | 5.3 m | 2025 |
| Lipczyno Wielkie | LW20282 | 32 µg/L | 6.9 µg/L | 5.2 m | 2024 |
| Długie Krasnopolskie | LW30640 | 47 µg/L | 3.9 µg/L | 5.2 m | 2024 |
| Płęsno | LW20360 | 32 µg/L | 5.2 µg/L | 5.2 m | 2025 |
| Piaseczno | LW10828 | 13 µg/L | 4.1 µg/L | 5.1 m | 2024 |
| Gorzyńskie | LW10315 | 37 µg/L | — | 5.0 m | 2026 |
| Białe | LW20010 | 25 µg/L | 3.6 µg/L | 5.0 m | 2026 |
Showing 20 of 748 named lakes. Open a county or place page for the rest.
Frequently asked questions
- Which lakes in Poland are the clearest?
- 748 named lakes in Poland have an official Secchi depth. This page ranks the 20 deepest readings. Secchi is a clarity measurement, not a swim-safety class.
- Is clear water the same as clean water?
- No. Secchi measures how far a disk stays visible. A clear lake can still have bacteria, toxins, or contaminants this catalog does not measure. Open a lake page for the authority's values.
Clearest lakes in other countries
Named lakes and official measurements
Directory of official lake water quality
3,904 lakes with Secchi
409 lakes with Secchi
307 lakes with Secchi
269 lakes with Secchi
159 lakes with Secchi
95 lakes with Secchi
Where to stay near Poland
Stays near the clearest measured lakes in Poland — live availability from Booking.com, Vrbo and Expedia.
Top-rated places to stay near Poland
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 Poland?
Get lake water-quality updates plus the best cabin & lodging deals near Poland — straight to your inbox. No spam, unsubscribe anytime.