Finnegan Lake   Be the first to submit input for Finnegan Lake. If you have info on Finnegan Lake, Sand Hills, Sheridan County, Nebraska please submit it here to improve this web site.          These outdoors activities are available near Finnegan Lake.   Lakes Near Finnegan Lake: Von Krosigh Lake, Sheridan County, 8 miles away   Public Lands Near Finnegan Lake: Nebraska National Forests and Grasslands, Nebraska, 22 miles away