Janssen Reservoir   Be the first to submit input for Janssen Reservoir. If you have info on Janssen Reservoir, Otoe County, Nebraska please submit it here to improve this web site.          These outdoors activities are available near Janssen Reservoir.   Public Lands Near Janssen Reservoir: Platte River State Park, Nebraska, 21 miles away Eugene T. Mahoney State Park, Nebraska, 24 miles away Waubonsie State Park, Iowa, 33 miles away Lewis & Clark National Historic Trail, Omaha - NE, 38 miles away Homestead National Monument of America, Beatrice - NE, 44 miles away   Camp Grounds Near Janssen Reservoir: Syracuse Campground, Otoe County, 3 miles away   Hotels Near Janssen Reservoir: Best Western Nebraska City Inn, Nebraska City, 21 miles away Super 8 Nebraska City, Nebraska City, 26 miles away Super 8 Gretna, Gretna, 27 miles away Holiday Inn Express Hotel & Suites OMAHA I - 80, Gretna, 28 miles away Comfort Inn West, Omaha, 29 miles away