The lake is teeming with fish, is located in a vast plain at a height of 974 meters asl the foot of Dosso Costalta (1955 mt sl.m.) and that of Ceramont (1514 mt sl.m.).
Always, and in all months of the year, Lake Serraia draws a considerable number of visitors and especially the walk Circumlacuale is popular because it runs flat and crowded woods, reeds and gently sloping lawns.
Winter its surface is covered entirely of ice.
The strip of cane which skirts the northern shore of Lake Serraia, and part of the same lake are part of the biotope "Marshes of Sternigo.