Union Lake   Be the first to submit input for Union Lake. If you have info on Union Lake, Polk County, Minnesota please submit it here to improve this web site.          These outdoors activities are available near Union Lake.   Lakes Near Union Lake: Maple Lake, Polk County, 7 miles away   Camp Grounds Near Union Lake: Union Lake Sarah Campground, Erskine, 5 miles away Lakeview Resort and Restaurant, Mentor, 6 miles away Lakeside RV Park, Erskine, 6 miles away Cozy Camping, Erskine, 7 miles away   Hotels Near Union Lake: Super 8 Fosston, Fosston, 24 miles away AmericInn Thief River Falls, Thief River Falls, 24 miles away Americas Best Value Inn, Thief River Falls, 24 miles away Best Western Inn Of Thief River Falls, Thief River Falls, 25 miles away Cmon Inn Thief River Falls, Thief River Falls, 26 miles away   Ski Areas Near Union Lake: Buena Vista, Minnesota, 83 miles away       230 foot drop, 4 lifts, 16 runs Andes Tower Hills, Minnesota, 87 miles away       300 foot drop, 3 lifts, 7 runs