Pretty Rock Lake   Be the first to submit input for Pretty Rock Lake. If you have info on Pretty Rock Lake, Grant County, North Dakota please submit it here to improve this web site.          These outdoors activities are available near Pretty Rock Lake.   Lakes Near Pretty Rock Lake: North Lemmon Lake, Adams County, 19 miles away   Public Lands Near Pretty Rock Lake: Llewellyn Johns Memorial State Recreation Area, South Dakota, 28 miles away Shadehill Recreation Area, South Dakota, 33 miles away