Diamondback was Kings Island’s first Bolliger & Mabillard creation, and more than fifteen years after its 2009 debut it’s still the park’s benchmark for sustained, floater-style airtime. At 230 feet tall with an 80 mph top speed, it remains one of the biggest hyper coasters in the Midwest.
This guide covers everything riders search for before getting in line: exact height and speed stats, the height requirement, which seat delivers the most airtime, and how Diamondback stacks up against Kings Island’s other marquee coasters, Orion and Banshee.
Quick Answer
Diamondback is a 230-foot Bolliger & Mabillard hyper coaster at Kings Island with a 215-foot first drop, an 80 mph top speed, and zero inversions. The ride lasts about 3 minutes, ends with a signature splashdown, and requires riders to be at least 54 inches (137 cm) tall.
The Ride Experience
Diamondback’s chain lift carries trains to 230 feet before a 215-foot drop at a 74-degree angle sends riders toward 80 mph. From there, the out-and-back layout works through a sequence of rolling hills, dropping from a 193-foot second hill down to smaller humps near the station, interspersed with sweeping banked turns that open up views of the surrounding Ohio countryside.
The hills are shaped for sustained floater airtime rather than sharp, jolting pops, which is why Diamondback holds up as a smooth, repeatable ride even for guests who don’t love intense ejector airtime. Because there are no inversions, Diamondback relies on simple lap-bar restraints and open, stadium-style seating across its three 32-passenger trains, keeping sightlines clear for every rider in every row.
The ride closes with its namesake splashdown: scoops on the final car kick up a wall of water as the train skims across a pond near the station, a visual effect rather than a true soaking, before the train glides back in after roughly three minutes on course.
Diamondback by the Numbers
Height: 230 feet. First drop: 215 feet at 74 degrees. Top speed: 80 mph. Track length: 5,282 feet. Duration: about 3 minutes. Inversions: zero. Hourly capacity: roughly 1,620 riders, split across three trains of eight cars each, with 32 riders per train. Diamondback opened April 18, 2009, as a roughly $22 million investment, the largest in Kings Island’s history at the time.
Height Requirement, Restraints, and Who Can Ride
Diamondback’s minimum height requirement is 54 inches (137 cm). Because the ride has no inversions, restraints are a simple lap bar rather than an over-the-shoulder harness, and seating is open-air with no overhead restraint blocking your view. That combination makes Diamondback more approachable for first-time hyper coaster riders than Kings Island’s inverted and looping coasters, even though the drop and speed are both serious.
As with any Kings Island attraction, loose articles like phones, hats, and bags aren’t permitted in the ride vehicle and must be secured in a locker or with a non-riding member of your group before boarding.
Best Seat on Diamondback: Front Row vs. Back Row
Front row riders get the clearest view up the lift hill and the most dramatic reveal of the first drop, along with the strongest wind in the face on the way down. It’s also typically the shorter wait of the two extremes, since most guests don’t specifically request it.
Back row riders get pulled over each hill faster and feel the strongest airtime, especially on the first two hills after the drop. The back row is also the seat for the splashdown’s visual payoff: look back as the train skims the water and you’ll see a wall of spray kick up behind you. Diamondback also offers a single rider line for guests willing to be split from their group to cut down wait time.
How Diamondback Compares to Orion and Banshee
Diamondback and Orion are Kings Island’s two B&M hyper/giga coasters, but they’re built for different sensations. Diamondback (230 feet, 215-foot drop, 80 mph) is tuned for sustained floater airtime over its rolling hill sequence. Orion, which opened in 2020, is a true giga coaster at 287 feet with a steeper 300-foot drop at 85 degrees and a faster 91 mph top speed, leaning harder into speed and sustained G-forces through its turns than into airtime.
Banshee, Kings Island’s B&M inverted coaster that opened in 2014, is the better pick if you want loops and inversions; Diamondback has none. Banshee also took over the title of the park’s largest-ever investment, a record Diamondback had held since its 2009 opening.
History and Legacy
When it debuted in 2009, Diamondback was Kings Island’s first roller coaster built by Bolliger & Mabillard and the biggest single investment in the park’s history up to that point, a record it held until Banshee arrived in 2014. Its combination of height, speed, and airtime quickly established it as one of the park’s marquee attractions, and it was named Best New Attraction of 2009 by the National Amusement Park Historical Association.
Diamondback remains a mainstay of Kings Island’s coaster lineup, valued by enthusiasts for its smooth B&M trains and sustained airtime moments. It continues to anchor the park’s coaster collection alongside the other B&M-built machines, Banshee and Orion, added in the years since.
Tips for Riding Diamondback
Diamondback tends to draw its longest lines in the first few hours the park is open and right after headline shows let out, so riding early or during the last hour or two before close generally means a shorter wait. If you’re short on time, the single rider line and any available line-skip pass options can cut the wait significantly; check current wait times and available queue options in the Six Flags app or at the ride entrance the day you visit.
For current hours, ticket options, and park policies, the park’s official site is the best source: Kings Island’s official website.
Diamondback Photo Archive: 2022 & 2023
These are original ThrillZing photos of Diamondback taken at Kings Island on July 29 and 30, 2022 and June 1 and 2, 2023, shot on an iPhone and published as taken. They show the B&M hyper coaster’s snake-head entrance sign, trains climbing the maroon lift on its tan supports, the first drop and camelback hills over the midway, the splashdown plume in the pond, Camp Remote’s barn beside the layout and trains silhouetted at sunset. All photos are free to reuse under a CC BY 4.0 license with credit to ThrillZing and a link to this page.
June 2023
July 2022
Over 3,700 pieces, a real vertical loop and a working chain lift. Display it on a shelf in the coaster room.
Rub-on sunscreen that fits in a pocket — reapply in the queue without greasy hands on the lap bar.
Folds into its own pocket. Pop it on when the storm rolls in and the rides reopen to short lines.
Diamondback Kings Island ride guide FAQs
How tall is Diamondback at Kings Island?
Diamondback stands 230 feet tall, with a first drop of 215 feet at a 74-degree angle.
How fast does Diamondback go?
Diamondback reaches a top speed of 80 mph during its first drop.
What is the height requirement to ride Diamondback?
Riders must be at least 54 inches (137 cm) tall to ride Diamondback.
Does Diamondback have any inversions?
No, Diamondback has zero inversions. It’s a hyper coaster built around speed and airtime, using lap-bar restraints and open stadium-style seating.
How long does the Diamondback ride last?
A full run on Diamondback, from leaving the station through the splashdown and back, takes about 3 minutes.
Which seat has better airtime on Diamondback, front or back?
The back row delivers the strongest airtime because those seats get pulled over each hill crest faster. The front row offers the best lift-hill views and the most wind in your face on the drop.
Is Diamondback or Orion more intense at Kings Island?
Orion is the faster, more G-force-heavy ride at 91 mph with a steeper 300-foot drop, while Diamondback is tuned more for sustained floater airtime at a comparatively gentler 80 mph.
Who manufactured Diamondback?
Diamondback was built by Bolliger & Mabillard (B&M), a Swiss manufacturer known for hyper coasters, giga coasters, and inverted coasters.
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