tz
/ September 3, 2026
No manufacturer has a cult following like Rocky Mountain Construction. The Idaho firm turned dying wooden coasters into world-beaters with its I-Box hybrid track, invented the single-rail Raptor, and hasn’t built a bad ride yet. Here is every operating RMC in ThrillZing’s database — all
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tz
/ August 29, 2026
Rocky Mountain Construction, known throughout the industry simply as RMC, is an American roller coaster manufacturer founded in 2001 by Fred Grubb and Suanne Dedmon and headquartered in Hayden, Idaho. What began as a company doing maintenance and construction work for amusement parks reinvented itself
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tz
/ July 24, 2026
The Wonder Woman Golden Lasso Coaster opened on May 12, 2018, at Six Flags Fiesta Texas in San Antonio, becoming the world’s first single-rail roller coaster to open to the public. Built by Rocky Mountain Construction, it introduced the company’s Raptor track, a slender single
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tz
/ July 23, 2026
Twisted Cyclone is the ride that convinced a lot of coaster fans that Six Flags Over Georgia had one of the best hybrids in the country: a wooden coaster’s bones wrapped in RMC’s steel I-Box track, delivering nonstop airtime and a genuinely unique inversion nobody
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tz
/ July 3, 2026
Wildfire is one of the most extreme wooden coasters on the planet, and the numbers back it up: an 83-degree first drop, a top speed of 115 km/h, and a height that ties it for a world record. If you’re looking for the exact figures
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tz
/ June 26, 2026
Zadra is a steel hybrid roller coaster at Energylandia in Zator, Poland, built by Rocky Mountain Construction and opened on August 22, 2019. Standing 206 feet tall and launching riders to 75 mph through three inversions along 4,318 feet of track, it ties as the
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tz
/ June 21, 2026
Hakugei (白鯨, ‘White Whale’) is a steel hybrid roller coaster at Nagashima Spa Land in Kuwana, Mie, Japan — the country’s only Rocky Mountain Construction hybrid and the first RMC installation anywhere in Asia. Since opening on March 28, 2019, it has become one of
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tz
/ June 16, 2026
Outlaw Run opened at Silver Dollar City in Branson, Missouri on March 15, 2013, and immediately shattered every assumption about what a wooden roller coaster could do. Built by Rocky Mountain Construction (RMC) and designed by Alan Schilke, it was the first wooden roller coaster
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tz
/ June 15, 2026
New Texas Giant is the steel-and-wood hybrid coaster at Six Flags Over Texas in Arlington that put Rocky Mountain Construction on the map. It reuses the timber structure of the original 1990 Texas Giant but rides nothing like it, thanks to a brand-new steel I-Box
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tz
/ June 15, 2026
Iron Rattler opened to the public on May 25, 2013 at Six Flags Fiesta Texas in San Antonio — but that date is only the final step of a build that actually started months earlier, on the bones of a coaster that had already stood
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tz
/ June 15, 2026
Wicked Cyclone is a steel hybrid roller coaster at Six Flags New England in Agawam, Massachusetts, built by Rocky Mountain Construction and designed by Alan Schilke. It opened on May 24, 2015, standing 109 feet tall, stretching 3,320 feet of track, and reaching a top
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tz
/ June 15, 2026
Wonder Woman: Flight of Courage opened on July 16, 2022, at Six Flags Magic Mountain in Valencia, California, claiming the titles of the world’s tallest and longest single-rail roller coaster — records it still holds today. Built by Rocky Mountain Construction on the Raptor Track
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tz
/ June 15, 2026
Twisted Timbers is the hybrid roller coaster at Kings Dominion that took a rough wooden clunker called the Hurler and rebuilt it into one of the East Coast’s most talked-about airtime machines. Rocky Mountain Construction stripped the old Hurler down to its wooden bones and
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tz
/ June 15, 2026
ArieForce One packed more onto 3,400 feet of steel than almost any coaster in the country: a 154-foot lift, an 83-degree first drop, four inversions, and the largest Zero-G stall in the United States. Rocky Mountain Construction’s flagship at Fun Spot America Atlanta became an
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tz
/ June 14, 2026
Lightning Rod drops 165 feet down a Tennessee hillside at 73 mph, threading through the trees of Dollywood’s wooded terrain on one of the most celebrated coasters Rocky Mountain Construction has ever built. The $22 million ride opened on June 13, 2016, as a genuine
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tz
/ June 14, 2026
When Iron Gwazi opened at Busch Gardens Tampa Bay on March 11, 2022, it didn’t just become North America’s tallest hybrid roller coaster — it became one of the most talked-about rides on the planet. Built by Rocky Mountain Construction on the skeleton of the
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tz
/ August 10, 2023
The first drop is the signature moment of any roller coaster — the element on every promotional poster, the freeze-frame in every POV thumbnail, and the sensation riders remember most vividly years later. Few drops in the world earn as much of that reputation as
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tz
/ July 21, 2023
Steel Vengeance at Cedar Point is the roller coaster that rewrote the record books. Standing 205 feet tall with a perfectly vertical 90-degree first drop, four inversions, and 27.2 seconds of airtime — more than any other coaster on Earth — it has topped enthusiast
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