Gavalou (Greek: Γαβαλού) is a town and a community in the municipal unit of Makryneia, Aetolia-Acarnania, Greece. In 2001 its population was 1,386 for the town, and 1,484 for the community, which includes the small village Kourtelaiika. The town is located south of Lake Trichonida, the largest natural lake of Greece. It is 7 km east of Papadates, 10 km northwest of Kato Makrinou and 15 km southeast of Agrinio.