walzin castle on a rocky hill protruding from lush green trees next to lesse river

aerial view ancient architecture ardennes building castle chateau cloudy countryside dinant environment europe exterior forest fort fortification fortress gothic green heritage hiking hill historic history land landmark landscape medieval mountain nature old outdoor palace private river riverside rock spring summer tourism tourist tower travel tree valley vintage wall water woods walzin rocky protruding lush trees next lesse style stone walls towers sunny day province namur wallonia belgium