Anglers can enjoy fishing in a serene lake, home to species like largemouth bass and bluegill. The park also offers catfishing opportunities along the riverbank. Ice fishing is popular during winter months for adventurous anglers seeking crappie or northern pike.
Oak Grove State Park offers picnic tables, grills and a shelter house for picnicking. Restrooms are also available nearby.
Birdwatchers can enjoy spotting a variety of species, including waterfowl and songbirds. The park also provides birding trails for enthusiasts to explore.