Değirmençay (formerly Erçel) is a neighbourhood in the municipality and district of Yenişehir, Mersin Province, Turkey.

It is situated in the Toros Mountains with an average elevation of 600 m (1830 ft).

In particular there are ruins of two castles named Manavşa (to the north) and Başnalar (to the south east) [5] Erçel was an important center of Turkish resistance during the Franco-Turkish War just after the First World War.

Although a mountain town the agricultural products are not different from those produced in the coastal area.

Fruits including all kinds of citrus, pomegranate apricot along with vegetables are produced around Değirmençay.