The south lake has largemouth bass, bluegill, crappie, channel catfish, northern pike and sunfish. There are two gravel and one concrete launching ramps on the north lake. South Lake has one concrete boat launching ramp. Boat motors are limited to 25 horsepower and there are creel and length limits on most species. Ice fishing is permitted, but caution should be used due to underwater springs, which can weaken ice.
Hikers can enjoy five trails within the park.
Hunting Waterfowl, squirrel and deer archery hunting are allowed at Spring Lake. Please check with site personnel concerning site regulations, season dates, limits, and designated hunting areas. In 1950 the state made the initial land acquisition of the 632 acres. The total acreage is now 2,032. The lake lies almost parallel to the Illinois river for 8.5 miles up the river bottoms along the base of the river's east bluff.