not particularly rich and is characterized by the absence of big rivers. The waters coming from Pelion shape the rivers Anavros, Platanorema, and Xirias.

In the North section of Magnesia is the shallow Lake Karla. Lake Karla was completely drained in 1962, but as of 2018 water had been restored to at least 50km2 of its former 180km2. On the bight of Sourpi, next to Amaliapolis