Armstrong Lake   Be the first to submit input for Armstrong Lake. If you have info on Armstrong Lake, Rock County, Nebraska please submit it here to improve this web site.          These outdoors activities are available near Armstrong Lake.   Public Lands Near Armstrong Lake: Burke Lake Recreation Area, South Dakota, 39 miles away   Hotels Near Armstrong Lake: Rodeway Inn Ainsworth, Ainsworth, 24 miles away Super 8 Ainsworth, Ainsworth, 24 miles away