Summit Reservoir   Be the first to submit input for Summit Reservoir. If you have info on Summit Reservoir, Lyman County, South Dakota please submit it here to improve this web site.          These outdoors activities are available near Summit Reservoir.   Lakes Near Summit Reservoir: Lake Oahe, Hughes County, 17 miles away   Public Lands Near Summit Reservoir: Farm Island Recreation Area, South Dakota, 14 miles away Niobrara National Scenic River, O'Neil - NE, 63 miles away   Marinas On or Near Summit Reservoir: Downs Marina, Pierre, 12 miles away   Hotels Near Summit Reservoir: Holiday Inn Express Hotel & Suites PIERRE-FORT PIERRE, Fort Pierre, 13 miles away Super 8 Pierre SD, Pierre, 13 miles away Pierre Inn and Suites, Pierre, 13 miles away Comfort Inn Pierre, Pierre, 13 miles away Days Inn Pierre, Pierre, 13 miles away