The mouth of the Kinnickinnic River forms a sandy delta upon which boaters can picnic and camp.

[1] The banks of the Kinnickinnic River are lined with Weymouth pine trees.

In the summer months, the number drops to 85 to 90 species, namely pheasants and grey partridges.

In 1989, wild turkeys were resettled to the state park.

The mammal wildlife that frequent Kinnickinnic State Park include various species of white-tailed deer, raccoons, American minks, red and gray fox, Eurasian red squirrel, rabbit, weasel and North American beaver.