Shell Reservoir   Be the first to submit input for Shell Reservoir. If you have info on Shell Reservoir, Powder River County, Montana please submit it here to improve this web site.          These outdoors activities are available near Shell Reservoir.   Hotels Near Shell Reservoir: Holiday Inn Express MILES CITY, Miles City, 33 miles away GuestHouse Inn & Suites Miles, Miles City, 33 miles away Comfort Inn Miles City, Miles City, 33 miles away Super 8 Miles City, Miles City, 33 miles away Econo Lodge Miles City, Miles City, 33 miles away