MASON, Ohio (AP) — A sure sign that spring has arrived is opening day at Ohio’s two major amusement parks.

Cedar Point and Kings Island open for the season at 10 a.m. Friday.

Cedar Point, in Sandusky, and Kings Island in Mason are nationally known for their roller coasters and other attractions. The parks are both owned by Cedar Fair.

The water parks at both attractions open for the summer on May 28.