Dead Cow Reservoir   Be the first to submit input for Dead Cow Reservoir. If you have info on Dead Cow Reservoir, Custer County, Montana please submit it here to improve this web site.          These outdoors activities are available near Dead Cow Reservoir.   Hotels Near Dead Cow Reservoir: GuestHouse Inn & Suites Miles, Miles City, 43 miles away Super 8 Miles City, Miles City, 43 miles away Holiday Inn Express MILES CITY, Miles City, 43 miles away Best Western War Bonnet Inn, Miles City, 43 miles away Comfort Inn Miles City, Miles City, 43 miles away