Geographical and General InformationGrindstone Lake is a large freshwater lake located in north central Wisconsin in the Town of Bass Lake, Sawyer County, United States, in township 40 north, ranges 8 and 9 west. The lake is roughly oval shaped being approximately three miles in length east to west and two miles (3 km) north to south. Grindstone Lake is 3176acre in size (including islands) with a maximum depth of 60ft and a shoreline of 10.5mi. The lake has a small inlet stream (Grindstone Creek) that enters on the east shore of the lake and that originates from a series of springs (Upper Grindstone, Grindstone, Graveyard, and Lower Grindstone Springs) that are located a short distance northeast of the lake. There is an outlet on the southeast shore of the lake that leads through a small stream (also called Grindstone Creek) to Lac Courte Oreilles.Grindstone Lake is located approximately six miles southeast of the city of Hayward, the primary commercial and retail center of the area, and is one of three large natural lakes (Lac Courte Oreilles, Grindstone Lake, and Round Lake) located to the south and east of the city. There is a small unincorporated residential community on the south side of the lake commonly referred to as Northwoods (or North Woods) Beach. The eastern part of the lake is located in the Lac Courte Oreilles Indian Reservation. The shore of the lake is principally occupied by seasonal lake cabins and homes.
