Agnew Lake   Be the first to submit input for Agnew Lake. If you have info on Agnew Lake, Mason County, Illinois please submit it here to improve this web site.          These outdoors activities are available near Agnew Lake.   Lakes Near Agnew Lake: Lake Petersburg, Menard County, 9 miles away Spring Lake, Peoria County, 17 miles away   Public Lands Near Agnew Lake: Spring Lake State Park, Illinois, 18 miles away Powerton Lake State Park, Illinois, 22 miles away Anderson Lake State Park, Illinois, 25 miles away   Marinas On or Near Agnew Lake: Tall Timbers Marina, Havana, 19 miles away   Camp Grounds Near Agnew Lake: Lincoln's New Salem State Historic Site Campground, Petersburg, 9 miles away   Hotels Near Agnew Lake: Riverbank Lodge, Petersburg, 8 miles away Howard Johnson Inn and Suites Springfield, Springfield, 20 miles away Homestyle Inn and Suites, Springfield, 21 miles away The State House Inn a Clarion Collection Hotel, Springfield, 21 miles away The State House Inn, an Ascend Collection hotel, Springfield, 21 miles away   Ski Areas Near Agnew Lake: Ski Snowstar Winter Sports Park, Illinois, 93 miles away       262 foot drop, 7 lifts, 15 runs   Whitewater Near Agnew Lake: Sangamon, MenardCounty, 8 miles away       Class III - 0.1 miles long (Playspot in Petersburg)