Here are the tallest peaks to climb in the Tristate area, and spoiler: Ohio is boring Sarah Brookbank, Cincinnati Enquirer Ohio, Kentucky and Indiana have never been accused of being mountainous states. But a recent listing of all the highest peaks in the U.S. had Ohio looking pretty boring. The highest peaks in the U.S. range in elevation from just 345 feet in Florida to 20,320 feet in Alaska, USA TODAY reported. The gallery — which you can see at the top of this story — has Ohio's highest mountain to climb as ... Campbell Hill. Kentucky came out as way cooler this round. Out of our three nearby states, Kentucky has the highest peak and the lowest point of elevation, as well.