Chromo Reservoir   Be the first to submit input for Chromo Reservoir. If you have info on Chromo Reservoir, Powder River County, Montana please submit it here to improve this web site.          These outdoors activities are available near Chromo Reservoir.   Camp Grounds Near Chromo Reservoir: Cow Creek Campground, Powder River County, 7 miles away Red Shale Campground, Powder River County, 7 miles away   Hotels Near Chromo Reservoir: Super 8 Colstrip, Colstrip, 37 miles away Lakeview Bed & Breakfast, Colstrip, 37 miles away   Ski Areas Near Chromo Reservoir: Antelope Butte, Wyoming, 82 miles away       1000 foot drop, 3 lifts, 18 runs Big Horn, Wyoming, 94 miles away       800 foot drop, 3 lifts, 20 runs