Universal's Islands of Adventure height requirements: every ride with a minimum, 36 to 54 inches

Universal's Islands of Adventure height requirements, shortest minimum first

• Flight of the Hippogriff™ The Wizarding World of Harry Potter™ – Hogsmeade™ · 36"/92cm
  This high-speed roller coaster ride includes sudden and dramatic accelerations, climbing, tilting and dropping
  Supervising Companion required for children 36"–48" (92cm– 122cm) in height
• Skull Island: Reign of Kong 36"/92cm
  This ride is an expedition through the rough terrain of King Kong’s natural habitat. The movement of the truck is dynamic with sudden accelerations, dramatic tilting, and jarring actions. Due to intense show effects, parental discretion is advised
  Supervising Companion required for children 36"-48" (92cm- 122cm) in height
• The Cat in the Hat™ Seuss Landing™ · 36"/92cm
  This ride takes a journey through the world of The Cat in the Hat™. The movement of the ride vehicle includes sudden acceleration, turning, and spinning
  Supervising Companion required for children 36"-48" (92cm- 122cm) in height
• The High in the Sky Seuss Trolley Train Ride!™ Seuss Landing™ · 36"/92cm
  This ride is a trolley train through Seuss Landing™ on an elevated track. The movement of the trolley train includes moderate acceleration and elevation changes
  Supervising Companion required for children 36"-48" (92cm- 122cm) in height
• The Amazing Adventures of Spider-Man® Marvel Super Hero Island® · 40"/102cm
  This 3-D ride takes a journey through the world of Spider-Man™ in a prototype news vehicle. The ride vehicle will suddenly and dramatically accelerate, stop, spin, climb, and drop. The movement of the vehicle includes strong tilting and jarring actions
  Supervising Companion required for children 40"-48" (102cm- 122cm) in height
• Jurassic Park River Adventure Jurassic Park · 42"/107cm
  This ride is a water journey on a touring raft. The raft will suddenly and dramatically accelerate, turn, and drop. Riders will get wet, possibly soaked
  Supervising Companion required for children 42"-48" (107cm- 122cm) in height
• Popeye & Bluto’s Bilge-Rat Barges® Toon Lagoon · 42"/107cm
  This ride is a water journey in a circular barge. The barge will suddenly accelerate, turn and drop. The movement of the barge is very dynamic and includes sudden tilting and jarring actions. Riders will get wet, possibly soaked
  Supervising Companion required for children 42"-48" (107cm- 122cm) in height
• Dudley Do-Right’s Ripsaw Falls® Toon Lagoon · 44"/112cm
  This ride is a water journey in a floating log. The log will suddenly accelerate, turn, and drop. Riders will get wet, possibly soaked
  Supervising Companion required for children 44"-48" (112cm- 122cm) in height
• Hagrid’s Magical Creatures Motorbike Adventure™ The Wizarding World of Harry Potter™ – Hogsmeade™ · 48"/122cm
  This is a high speed roller coaster that includes sudden dramatic acceleration, climbing, tilting, dropping, and backwards motion
• Harry Potter and the Forbidden Journey™ The Wizarding World of Harry Potter™ – Hogsmeade™ · 48"/122cm
  This ride simulates dramatic aerobatics. The ride vehicle will suddenly accelerate, stop, turn, tilt, climb, and drop
• Jurassic World VelociCoaster Jurassic Park · 51"/130cm
  This is a high-speed roller coaster that includes sudden and dramatic acceleration, climbing, tilting, inversions, and dropping
• Doctor Doom’s Fearfall® Marvel Super Hero Island® · 52"/133cm
  This ride is a high-speed, free-fall experience that includes sudden and intense acceleration, climbing and dropping
• The Incredible Hulk Coaster® Marvel Super Hero Island® · 54"/138cm
  This is a high-speed roller coaster ride that includes sudden and dramatic acceleration, climbing, tilting, and dropping. You will be turned completely upside-down several times

Every minimum, description and companion rule is Universal’s own Rider’s Guide, as published; a rider’s guide can change, and Universal decides at the ride.