Drweckie is a lake in the Masurian Lakes system in the Warmian-Masurian Voivodeship of Poland. Surface area - 8.8 km².
The lake consists of two narrow branches: one, 12 km long, runs from east to west, and the second, which extends to the northwest, is 5 km long.
In the northern part of the lake the shores are high and covered with forest, and in the southern part they are low and swampy.
On the northeastern shore of the lake is the city of Ostroda.
The Drvetsa River flows through the lake (from east to west).
The lake is connected to the Baltic Sea via the Elblag Canal.
