Grotto Lake is a lake located in Otter Tail County, Minnesota. It appears on the Fergus Falls USGS 7.5-minute topographic quadrangle. The nearest populated place is Fergus Falls, approximately 0.9 miles to the WNW.
Otter Tail County · Minnesota
Grotto Lake is a lake located in Otter Tail County, Minnesota. It appears on the Fergus Falls USGS 7.5-minute topographic quadrangle. The nearest populated place is Fergus Falls, approximately 0.9 miles to the WNW.