Johnson's Shut-Ins

Visitors scale rocks in the shut-ins Friday, June 22, 2018, at Johnson's Shut-Ins State Park in Reynolds County, Missouri. (Ben Matthews ~ Southeast Missourian)

Matthew Foust, of St. Louis, watches his daughter, Farrah, 8, attempt to scale the shut-ins with his son, John, 6, on Friday, June 22, 2018, at Johnson's Shut-Ins State Park in Reynolds County, Missouri. (Ben Matthews ~ Southeast Missourian)

Austin House, 5, of St. Charles, perches on a rock Friday, June 22, 2018, at Johnson's Shut-Ins State Park in Reynolds County, Missouri. (Ben Matthews ~ Southeast Missourian)

Visitors migrate through the shut-in's waters Friday, June 22, 2018, at Johnson's Shut-Ins State Park in Reynolds County, Missouri. (Ben Matthews ~ Southeast Missourian)

Visitors cool off in the waters of the shut-ins Friday, June 22, 2018, at Johnson's Shut-Ins State Park in Reynolds County, Missouri. (Ben Matthews ~ Southeast Missourian)

Visitors cool off in the waters of the shut-ins Friday, June 22, 2018, at Johnson's Shut-Ins State Park in Reynolds County, Missouri. (Ben Matthews ~ Southeast Missourian)

James McNally, 12, jumps from a rock Friday, June 22, 2018, at Johnson's Shut-Ins State Park in Reynolds County, Missouri. (Ben Matthews ~ Southeast Missourian)

Kevin Manes of Bloomfield helps his son, Kip, 3, swim Friday, June 22, 2018, at Johnson's Shut-Ins State Park in Reynolds County, Missouri. (Ben Matthews ~ Southeast Missourian)

Rhiannon Randall, 6, of Cole Camp, Missouri, lies on a rock while watching park visitors swim Friday, June 22, 2018, at Johnson's Shut-Ins State Park in Reynolds County, Missouri. (Ben Matthews ~ Southeast Missourian)

Michael Kennedy of Glen Carbon, Illinois, sits back as water flows over his shoulders Friday, June 22, 2018, at Johnson's Shut-Ins State Park in Reynolds County, Missouri. (Ben Matthews ~ Southeast Missourian)

Gavin Schroeder, 13, of Jefferson City jumps from a rock Friday, June 22, 2018, at Johnson's Shut-Ins State Park in Reynolds County, Missouri. (Ben Matthews ~ Southeast Missourian)

Lacey Sisler and Austin House climb rocks Friday, June 22, 2018, at Johnson's Shut-Ins State Park in Reynolds County, Missouri. (Ben Matthews ~ Southeast Missourian)

Jordan Fabian, center, and Joesph Lyons Jr., right, watch as Joseph Lyons, of Springfield, Missouri, jumps into the water Friday, June 22, 2018, at Johnson's Shut-Ins State Park in Reynolds County, Missouri. (Ben Matthews ~ Southeast Missourian)

Cache Nelson, 13, of Sandy, Utah, jumps from a rock Friday, June 22, 2018, at Johnson's Shut-Ins State Park in Reynolds County, Missouri. (Ben Matthews ~ Southeast Missourian)