Inguadona Lake: Inguadona Lake is located 3.5 miles east of Longville on Cass County Road 7. The lake is over 4 miles long and is 1/2 mile wide on the south end. Little Boy River flows through the lake. There is also access to Rice Lake on the south through the Little Boy River. Inguadona is noted for it's wide variety of fish, including Muskie, Northern Pike, Walleye, Large Mouth Bass, Small Mouth Bass, Perch, Sunfish and Bullhead. The best access to the lake is at Anchorage Inn, located at the narrows on County Road 7.