19th century Italian painting, lake scene

In the foreground, a lake surrounded by vegetation. On the left bank, several figures, some in a boat. In the background, a building that resembles a fortified castle, in a hilly landscape. Italy. Early 19th century. Gilded wooden frame. In good condition. Total dimensions (with frame): height 53 cm width 59 cm depth 9 cm canvas dimensions: 32 X 40 cm.