List of Denny's Stores in Blackduck, MN Outlet Note Regular Brands Denny's Minnesota Blackduck Rating 4.8 based on 89 votes Products Fast Food Restaurant Pancake House Coffee Shop Steakhouse NameAddressPhone Name/Address/Phone Denny's outlet - Blackduck 25895 Highway 71 Ne (218) 835-4682 People Also Viewed