Hańcza Lake

Poland's deepest lake, clear glacial waters

Hańcza is Poland's deepest lake, located in the Suwałki region; divers, kayakers and hikers visit for clear, cold water, shoreline forests and the lake's reputation among freshwater divers.

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Hańcza at a Glance#

About Hańcza#

Hańcza is a freshwater lake in Podlaskie Voivodeship in northeastern Poland, noted as the country’s deepest lake. The basin is characterised by steep shores and clear water, drawing recreational visitors.

The lake’s maximum depth is 108.5 metres, making it the deepest natural lake in Poland. Its depth and clarity make it a popular local destination for diving, angling and small-boat recreation.

The lake lies in the Suwałki region, within a landscape of forests and smaller lakes, and is reached by local roads from the nearby towns of the Podlaskie countryside.

Surrounding land is mostly rural and wooded, and facilities are modest compared with larger tourist centres.

  • Maximum depth: At 108.5 metres deep it is the deepest lake in Poland, known for clear water and steep shores.
  • Recreation: Popular with scuba divers and anglers for its depth and water clarity; access is via country roads from the nearby towns in Podlaskie.

How to Get to Hańcza#

Hańcza Lake is in Podlaskie Voivodeship in northeastern Poland. The nearest larger town is Suwałki (around 30-40 minutes by car). By car, follow local roads from Suwałki toward Rutka-Tartak and then local routes to the lake. Public transport is limited; a car is recommended.

Tips for Visiting Hańcza#

  • Approach the lake from the north during summer when the water is warmest for swimming spots used by locals.
  • Cyclists enjoy the trails around the lake-packing a repair kit is sensible as services are sparse.
  • If fishing is important, check local regulations and seasonal closures-Hańcza is noted for clear, deep water that supports trout.

Best Time to Visit Hańcza#

Summer is the most popular time for recreation; spring and autumn suit quieter visits and nature watching.

Summer
Jun-Aug · 18-25°C
Warm days and cool, clear water make the lake pleasant for swimming and boating.
Spring/Autumn
May & Sep-Oct · 8-16°C
Less crowded and good for kayaking or walking the shoreline with autumnal colors.

Weather & Climate near Hańcza#

Climate

Hańcza's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -6°C to 21°C. Moderate rainfall (620 mm/year).

Air Quality: AQI 45 Good
Best Time to Visit
MaySeptemberAugust
Temperature & Rainfall
Temperature Range
35°
Warmest Month
-37°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -6° - -2° -10° 36 mm overcast 96% 4.4 m/s 0.0 low 7.7h
February Poor -7° - -1° -9° 26 mm overcast 94% 4.2 m/s 0.1 low 9.5h
March Poor -4° - 3° -4° 36 mm overcast 88% 3.9 m/s 0.4 low 11.7h
April Good 1° - 10° 3° 38 mm partly cloudy 80% 3.7 m/s 0.7 moderate 13.9h
May Very Good 6° - 17° 12° 53 mm partly cloudy 79% 3.2 m/s 1.2 high 15.8h
June Good 10° - 20° 15° 74 mm partly cloudy 79% 3.1 m/s 1.4 high 16.9h
July Good 11° - 21° 16° 85 mm partly cloudy 80% 3.2 m/s 1.4 high 16.4h
August Good 11° - 21° 16° 68 mm partly cloudy 79% 2.8 m/s 1.1 high 14.7h
September Very Good 7° - 16° 11° 56 mm partly cloudy 82% 3.3 m/s 0.6 moderate 12.5h
October Acceptable 3° - 10° 4° 52 mm overcast 88% 3.5 m/s 0.2 low 10.3h
November Poor -1° - 4° -3° 51 mm overcast 94% 4.5 m/s 0.1 low 8.3h
December Poor -5° - 0° -7° 45 mm overcast 96% 4.2 m/s 0.0 low 7.1h