The River Mert ; anciently, the Lycastus is a river in Turkey which flows into the Black Sea at Samsun.
Geography
In 2022 flow measurements were lacking. ==History==
History
The ancient town of Lycastus in Pontus was located on the river; the site has not been located. ==Pollution==
Pollution
A local politician claims the river suffers from domestic and industrial pollution, and fish die off in 2014 is being investigated by local officials. ==Flooding==