1805 Irving Road, Hastings, MI 49058, USA PRIMARILY A SEASONAL PARK. 49 sites w/sewer.12 water/electric. On the Thornapple River near Gun Lake. 1/2 mile from Barry Expo Center. 20 miles from Gun Lake Casino. 20 – 35’x70′... Total Sites: 85 Weidman KOA Holiday 1855 N Coldwater...