Kings Island's 230 ft. "Diamondback" almost ready.

Kings Island's newest roller coaster, Diamondback, as seen while shooting for KICentral.com. At 5,200 ft. long, 230 ft. high, Diamondback will be the park's tallest and fastest roller coaster once it opens in April and is speculated to maybe be one of the top steel coasters in the nation.