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Olson Lake is located in Winnebago County, Illinois. This lake is 45 acres in size. It is approximately 16 feet deep at its deepest point. When fishing, anglers can expect to catch a variety of fish including Bluegill, Channel Catfish, Largemouth Bass, Muskie, Northern Pike, Walleye, Yellow Bullhead and.
LAST FISHING REPORT2/9/2020
Out most of the day yesterday. Olson was a little crowded. (a nice Saturday)
Marked lots of fish in 8 fow. Really had to work for them. Brought home 10 gills and 1 crappie. Ice was solid and slick. Be sure to wear some grippers.