Werbellinsee Eichhorst Berolina Campingparadies

Germany Lake 1 - Excellent

Werbellinsee is one of Brandenburg's largest and deepest lakes, located approximately 50 km north of Berlin in the UNESCO Biosphere Reserve Schorfheide-Chorin. With a maximum depth of 55 metres and a surface area of 795 hectares, it is a long, wide basin oriented north-south, formed by glacial erosion during the last ice age. The lake receives inflow from the nutrient-rich Grimnitzsee to the north and drains southward via the Werbellin and Finow canals into the Oder-Havel Canal. Its deep water column, low water exchange rate of 33 years, and small forested catchment area naturally support clear, nutrient-poor conditions.

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Water

Natural lake in lowland terrain below 200 metres elevation. Surface area 795.35 hectares. Mean depth 19.6 metres, maximum depth 55 metres. Water level fluctuations 0.5 metres. Water exchange time 33 years. Layered water structure. Salinity less than 0.5‰.

Location

Located in Schorfheide municipality, Barnim district, Brandenburg, approximately 50 km north of Berlin. The bathing area at Eichhorst, BEROLINA Campingparadies, has coordinates 3409995 (east) and 5862344 (north). Beach length is 140 metres.

Facilities

Rowing boat rental with 5 PS motor, pedal boats, bicycle rental, volleyball field, bathing island, table tennis table.

Season

Profile updated 15 February 2025. Next review scheduled 15 February 2029. Monitoring conducted every four weeks by the district health authority.

Water Quality

Rated 'excellent' (ausgezeichnet) for all monitoring periods from 2016–2019 through 2021–2024. E. coli 95-percentile values ranged from 20–49 per 100 ml; intestinal enterococci 95-percentile values were 15 per 100 ml. No individual parameter exceedances observed. Water temperature ranges 7.5–25°C with mean 19.4°C. pH values 8.4–8.8 with mean 8.6. Transparency 1.5–5 metres with mean 3.3 metres. Ecological status class 4 (unsatisfactory) under Water Framework Directive. Naturally oligotrophic but measured as mesotrophic. Nutrient concentrations have declined continuously from 1960s overfertilization and now represent approximately one-tenth of 1976 measured values.

Risks

No cyanobacteria blooms observed in the past four years. No danger of future cyanobacteria mass development. No macroalgae or aquatic plants present, though phytoplankton presents medium risk of future mass development. No danger of bathing dermatitis from cercariae. No short-term microbiological contamination or other pollution expected.