Home » Business Directory » Lodging » Lake Maps » Blackwater Lake Map Blackwater Lake Map - Lake Resorts - Lake Lodging in MN Get Directions For DrivingWalkingTransitBicycling show options hide options Avoid Tolls Avoid Highways Avoid Ferries From Remove Add Waypoint To Fetching directions...... Reset directions Print directionsBlackwater Lake Information: County: Cass Surface Water Area: 766 Acres