Lacul Morii (\"Mill Lake\") is the largest lake in Chiajna, with an area of 246 ha. The lake is approximately 6 km from the center of Bucharest and is located between the Polytechnic University of Bucharest neighborhood to the east, the Crângași and Giulești districts to the north, the Militari district to the south and the village Roșu to the west.
The lake is a reservoir, made in 1986 mainly to protect the city against floods. It is also a recreation area. Lacul Morii provides a constant flow to the Dâmboviţa river in the city. The lake was built by a dam 15 m high, with a central body of concrete, and earth dams extended lengthwise with a total length of 7 km.
