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Newton Lake

Newton Lake located in south central Illinois near Newton was built to provide cooling water for Newton's coal-burning power-generating station operated by Ameren, which is a public utility holding company. Nestled within the Newton Lake State Fish and Wildlife Area Newton Lake offers more than 1,775 acres of warm water, which is perfect for boat and bank fishing, especially in the spring and fall. The wildlife area provides areas for picnicking and 22 miles of trails for use by hikers, bicycle riders, horseback riders and cross-country skiers. There is no swimming allowed at Newton Lake.


As the result of a successful stocking program, Newton Lake has produced some of the largest bass in Illinois. In addition, this lake has abundant populations of hearty crappie, walleye and catfish.

Newton lake allows pole and line fishing only, and each angler may use no more than two poles at a time.

The Illinois Department of Natural Resources Division of Fisheries offers "Hook-and-Line" and "Spear/Bow and Arrow" Sport Fishing Awards to recognize anglers for fish caught in Illinois' waters. (Click here for details.)


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    Newton Lake Illinois Coordinates:
38.9009N -88.2961W
Map It:
Lake Type:
Perched Cooling Lake
Surface Area:
1,775 acres
Maximum Depth:
35 ft
Normal Water Clarity:
3-6 ft
Major City:


While boating on Newton Lake can be quite a fun adventure, the lake is not suitable for sailboats, and there is a 25 horsepower limit for all motorboats used on the lake.

There is a two-lane boat launching ramp at the lake's south access area, which allows easy access for the boats permitted on Newton Lake. Not far from the lake are concessions from where boaters and anglers can buy supplies.


The only lodging facility available on Newton Lake is the Outdoor Sportsman's Lodge. This full-service fishing and hunting lodge offers complete packages, which include meals, lodging and fully guided or semi-guided fishing trips, guided pheasant and quail shooting, whitetail deer hunts and Cast and Blast combos.

Campgrounds are available within a half mile of the lake.

Please consult the Lake Resource Guide for information on lodging options and events in the area.


Illinois's closest major city to Newton Lake is Decatur. Nearby cities and towns, each with its own unique offerings, include: Newton, Effingham, Altamont, Olney and Flora. Newton Lake flows through parts of Jasper County.

Fun times at Newton Lake  Newton Lake

  Newton Lake   Newton Lake

Average Temperatures Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Avg. High  34 Avg. High  40 Avg. High  51 Avg. High  63 Avg. High  73 Avg. High  82 Avg. High  85 Avg. High  84 Avg. High  78 Avg. High  66 Avg. High  52 Avg. High  39
Avg. Low  18 Avg. Low  23 Avg. Low  33 Avg. Low  42 Avg. Low  52 Avg. Low  62 Avg. Low  66 Avg. Low  63 Avg. Low  55 Avg. Low  43 Avg. Low  34 Avg. Low  24