A-Z Summer Activities in St. Louis Area...great list! There are a lot of just general ideas in here, but a lot that are specific to St. Louis. Google the capitalized ones and find out what they are and why they make a local's bucket list!
photo from Cedar Creek along the Ozark Highlands Trail in Johnson County, Arkansas. To get there just take the OHT west from the Haw Creek campground about 5 miles to a nice little camp site along Cedar Creek, swimming hole is just off to the north. The OHT is maintained and marked.