| Lake Herăstrău Lacul Herăstrău | |
|---|---|
 View on the lake withHouse of the Free Press | |
  Lake Herăstrău Lacul Herăstrău | |
| Location | Sector 1,Bucharest |
| Coordinates | 44°28′31″N26°04′55″E / 44.47532°N 26.08207°E /44.47532; 26.08207 |
| Type | reservoir |
| Primary inflows | Colentina River |
| Primary outflows | Colentina River |
| Basin countries | Romania |
| Max. length | 3.5 km (2.2 mi) |
| Max. width | 500 m (1,600 ft) |
| Surface area | 74 ha (180 acres) |
| Max. depth | 5 m (16 ft) |
| Water volume | 15,000,000 m3 (12,000 acre⋅ft) |
Lake Herăstrău is ananthropiclake located in the northern part of the city ofBucharest, developed on theColentina River, in the area where it flows through the urban area of the city, situated betweenLake Băneasa upstream andLake Floreasca downstream. It is the biggest lake in Bucharest.[1]
The length of the lake's shores is 7,400 meters, and the length of the islands on the lake is 1,600 meters. The normal retention level is 79.50 meters, with a surface area at NNR of 77 hectares. The length of the lake is 3.50 kilometers, and it has a water volume of approximately 1.5 million cubic meters. The lake is surrounded byKing Michael I Park.[2]
The name ofHerăstrău comes from the popular form of the wordferăstrău, which meanssaw inRomanian. Near the lake, which was acquired byȘerban-Vodă Cantacuzino, there was asawmill powered by the waters of theColentina River. This sawmill proved to be profitable for the estate by providing wood for construction in the capital city.
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The Herăstrău LakeLock (Ecluza Lacului Herăstrău) was constructed between 1933 and 1936, replacing an olddam that had served asawmill in the area.
This lock is located on the left bank of Lake Herăstrău and connects it toLake Floreasca. Besides its recreational function, allowingboat travel between Lake Herăstrău and Lake Floreasca, the lock also serves as an additionaldrainage system for Lake Herăstrău into Lake Floreasca. This is particularly important during heavy rains when there is a risk of excessive water level rise in Lake Herăstrău, which could potentially pose a threat to areas in Bucharest.[3]
The construction of the lock and its dual purpose, both for navigation andflood control, plays a significant role in the management of the water levels in this region.
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