Which lakes in Latvia are best to swim in?

16 of 16 designated bathing waters in Latvia are rated Excellent for 2025 under the EU Bathing Water Directive. That class measures E. coli and intestinal enterococci only — it is not a safety clearance.

Is it safe to swim in Latvia lakes?

The official class is a bacteriological rating, not a safety clearance. It does not cover algal blooms, nutrients, water clarity, currents, or depth. Conditions change after heavy rain. Check local signage and the operator's current notices before entering the water.

How is lake water quality measured in Latvia?

34 named lakes in Latvia have official phosphorus, chlorophyll-a, and Secchi from the Latvian Environment, Geology and Meteorology Centre, via UNEP GEMS/Water, 2017–2023. These are the authority's own measurements, shown as reported.

Whose ratings do the Latvia lake pages show?

The publishing authority's own. Pages for lakes in Latvia show the values and classes that authority reports, with the season or year each was taken.

Lakes in Latvia, 16 Swim Sites + 34 Lakes

Excellent: 16

Lake map

Map shows 50 lakes with coordinates

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Best-rated lakes to swim in Latvia

Officially classified Excellent for the 2025 bathing season, ranked by how often that class has held. Full best-lakes list →

Būšnieku EzersExcellent · Excellent 11/11 seasons
Cieceres EzersExcellent · Excellent 11/11 seasons
Gauratas EzersExcellent · Excellent 11/11 seasons
Jēkabpils Peldvieta "radžu ūdenskrātuve"Excellent · Excellent 11/11 seasons
Karjers "beberliņi"Excellent · Excellent 11/11 seasons
Lielais Stropu EzersExcellent · Excellent 11/11 seasons
Lielais Stropu Ezers, Peldvieta Stropu VilnisExcellent · Excellent 11/11 seasons
Limbažu Lielezera PeldvietaExcellent · Excellent 11/11 seasons
Saldus EzersExcellent · Excellent 11/11 seasons
Zirga EzersExcellent · Excellent 11/11 seasons
BābelīteExcellent · Excellent 10/11 seasons
Lubānas EzersExcellent · Excellent 10/10 seasons
Kovšu EzersExcellent · Excellent 9/9 seasons
Rāznas Ezers, Peldvieta LipuškosExcellent · Excellent 9/10 seasons
Luknas EzersExcellent · Excellent 8/8 seasons

Every rated bathing water in Latvia

Būšnieku EzersExcellent · Excellent 11/11 seasons
Cieceres EzersExcellent · Excellent 11/11 seasons
Gauratas EzersExcellent · Excellent 11/11 seasons
Jēkabpils Peldvieta "radžu ūdenskrātuve"Excellent · Excellent 11/11 seasons
Karjers "beberliņi"Excellent · Excellent 11/11 seasons
Lielais Stropu EzersExcellent · Excellent 11/11 seasons
Lielais Stropu Ezers, Peldvieta Stropu VilnisExcellent · Excellent 11/11 seasons
Limbažu Lielezera PeldvietaExcellent · Excellent 11/11 seasons
Saldus EzersExcellent · Excellent 11/11 seasons
Zirga EzersExcellent · Excellent 11/11 seasons
BābelīteExcellent · Excellent 10/11 seasons
Lubānas EzersExcellent · Excellent 10/10 seasons
Rāznas Ezers, Peldvieta LipuškosExcellent · Excellent 9/10 seasons
Kovšu EzersExcellent · Excellent 9/9 seasons
Luknas EzersExcellent · Excellent 8/8 seasons
šūņu EzersExcellent · Excellent 3/11 seasons

Places in Latvia

Riga lakesPlace · 5 lakes

Named lakes

Lake	Place	Total phosphorus	Chlorophyll-a	Secchi	Year
Aijazu Ezers	—	32 µg/L	17 µg/L	0.8 m	2023
Augstrozes Lielezers	—	20 µg/L	5.9 µg/L	1.3 m	2023
Burtnieka Ezers	—	56 µg/L	34 µg/L	0.7 m	2023
Burtnieka Ezers	—	36 µg/L	50 µg/L	0.6 m	2023
Busnieku Ezers	—	11 µg/L	4.4 µg/L	1.5 m	2022
Daugulu Ezers	—	15 µg/L	4.8 µg/L	1.7 m	2023
Dridza Ezers A Dala	—	12 µg/L	3.9 µg/L	5.2 m	2022
Dunezers Adazu Novads	—	37 µg/L	29 µg/L	0.8 m	2023
Dunezers Limbazu Novads	—	300 µg/L	161 µg/L	0.4 m	2023
Juglas Ezers	—	—	27 µg/L	0.9 m	2023
Kalna Ezers	—	22 µg/L	6.4 µg/L	2.6 m	2022
Kaniera Ezers Z Dala	—	36 µg/L	5.2 µg/L	1.5 m	2023
Kiruma Ezers	—	30 µg/L	8.8 µg/L	1.9 m	2023
Kisezers Preti Mezaparkam	—	38 µg/L	12 µg/L	1.6 m	2023
Kisezers Preti Milgravja Caurtekai	—	55 µg/L	15 µg/L	1.4 m	2017
Laukezers	—	15 µg/L	3.3 µg/L	7.5 m	2023
Liduksnas Ezers	—	18 µg/L	5.2 µg/L	2.1 m	2021
Lielais Gusena Ezers	—	22 µg/L	5.3 µg/L	3.0 m	2022
Liepajas Ezers	—	59 µg/L	15 µg/L	0.8 m	2022
Lubana Ezers	—	57 µg/L	18 µg/L	0.7 m	2023
Mazais Baltezers	—	57 µg/L	17 µg/L	1.6 m	2023
Meiranu Ezers	—	29 µg/L	11 µg/L	1.1 m	2022
Micanu Ezers	—	26 µg/L	5.4 µg/L	1.4 m	2022
Osvas Ezers	—	25 µg/L	9.1 µg/L	1.3 m	2022
Raiskuma Ezers	—	29 µg/L	13 µg/L	1.6 m	2023
Raznas Ezers	—	15 µg/L	4.0 µg/L	3.9 m	2021
Ricu Ezers	—	14 µg/L	3.7 µg/L	3.6 m	2023
Rigas Udenskratuve	—	58 µg/L	5.8 µg/L	1.5 m	2023
Sargovas Ezers	—	40 µg/L	18 µg/L	1.1 m	2021
Saukas Ezers	—	20 µg/L	8.2 µg/L	2.2 m	2023
Sventes Ezers	—	10 µg/L	2.8 µg/L	6.6 m	2023
Ungura Rustega Ezers	—	25 µg/L	31 µg/L	1.2 m	2023
Usmas Ezers	—	16 µg/L	4.7 µg/L	2.1 m	2023
Valguma Ezers	—	47 µg/L	28 µg/L	1.5 m	2023

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Frequently asked questions

Which lakes in Latvia are best to swim in?: 16 of 16 designated bathing waters in Latvia are rated Excellent for 2025 under the EU Bathing Water Directive. That class measures E. coli and intestinal enterococci only — it is not a safety clearance.
Is it safe to swim in Latvia lakes?: The official class is a bacteriological rating, not a safety clearance. It does not cover algal blooms, nutrients, water clarity, currents, or depth. Conditions change after heavy rain. Check local signage and the operator's current notices before entering the water.
How is lake water quality measured in Latvia?: 34 named lakes in Latvia have official phosphorus, chlorophyll-a, and Secchi from the Latvian Environment, Geology and Meteorology Centre, via UNEP GEMS/Water, 2017–2023. These are the authority's own measurements, shown as reported.
Whose ratings do the Latvia lake pages show?: The publishing authority's own. Pages for lakes in Latvia show the values and classes that authority reports, with the season or year each was taken.