Castillon

Mertenne has since long been a part of Castillon.
In 1977, Castillon was incorporated into Walcourt.
Nearby towns include Walcourt 5.6km (Mertenne , Fontenelle 2.1km, Clermont 3km, Rognée 3.5km, Walcourt 5.6km, Berzée 5.7km, Pry 6km, Thy-le-Château 6.5km, Vogenée 7.1km, Chastrès 7.8km and Gourdinne 8.8km), Beaumont 8.5km (Strée 5km, Barbençon 5.9km, Solre-Saint-Géry 8.3km, Thirimont 8.4km and Renlies 8.9km), Ham-sur-Heure-Nalinnes 8.7km (Cour-sur-Heure 6.3km and Ham-sur-Heure 8.6km), Cerfontaine 9.5km (Silenrieux 4.8km, Daussois 7.6km and Soumoy 8.8km), Froidchapelle 10.9km (Boussu-lez-Walcourt 3.1km, Erpion 4.1km, Vergnies 6.4km and Fourbechies 9.9km) and Thuin 11.2km (Donstiennes 5.1km, Thuillies 5.7km, Ragnies 8.3km, Biesme-sous-Thuin 8.8km, Gozée 9.5km and Leers-et-Fosteau 9.8km)
Images courtesy of Wikipedia