John Martin Reservoir   Be the first to submit input for John Martin Reservoir. If you have info on John Martin Reservoir, Bent County, Colorado please submit it here to improve this web site.          These outdoors activities are available near John Martin Reservoir.   Camp Grounds Near John Martin Reservoir: Hud's Campground, Mc Clave, 6 miles away John Martin, Hasty, 9 miles away   Hotels Near John Martin Reservoir: Passport Inn Lamar, Lamar, 22 miles away Chek Inn, Lamar, 22 miles away Blue Spruce Motel, Lamar, 22 miles away Rodeway Inn Cow Palace, Lamar, 22 miles away Super 8 Lamar, Lamar, 22 miles away