Happy Valley / 欢乐谷 · Operating · 2009
Dragon in Clouds / 云霄飞龙
117.8 ft · 53.7 mph
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Ride profile
Scaled against Happy Valley / 欢乐谷's operating coasters
Park intensity
Height
117.8 ft
#2 of 5 at Happy Valley / 欢乐谷
Ride experience
What this ride feels like — and where to explore more of it.
- InvertedLegs dangling under the rail through inversions.Browse similarLearn more
Ride details
Specs from rcdb.com
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More inverted coasters
Same attraction class across the atlas — compare layouts beyond this park.
Sources & official links
We link out to parks, manufacturers, and the pages where facts and media come from.
- Happy Valley / 欢乐谷 — official sitecd.happyvalley.cn(opens in a new tab)
- Happy Valley / 欢乐谷 on Coaster AtlasPark page
- Ride specifications sourcercdb.com(opens in a new tab)
- Vekoma — manufacturervekoma.com(opens in a new tab)
Learn more
Picked from the knowledge base based on this ride's type, manufacturer, and elements.
About Vekoma-built coasters
Vekoma — boomerangs, clones, and modern reinvention
Dutch manufacturer with classic boomerangs and newer models chasing smoother ride feel.
Matches inverted rides
Inverted coasters
Trains hang beneath the track so your feet dangle — B&M made the style famous.
Explains the physics behind inverted
Centripetal force in loops
Loops are engineered so the track pushes you into the seat — not so you “hold on by gravity.”
Explains the physics behind inverted
Heartline vs centerline rotation
Where the train rotates changes how inversions feel in your head and gut.


