Joker (Six Flags Discovery Kingdom)

Roller coaster
Click here to watch the on-ride POV
The Joker
Joker (Six Flags Discovery Kingdom) 2016 01.jpg
Six Flags Discovery Kingdom
Location Vallejo, California, USA
Status Operating since May 30, 2016
Replaced Roar
Manufacturer Rocky Mountain Construction
Product I-Box Track
Designer / calculations Alan Schilke
Type Steel - Hybrid
Riders per train 24
Propulsion Chain lift hill
Height 100 feet
Drop 96 feet
Top speed 53 mph
Length 3200 feet
Inversions 3
Drop angle 78°
Joker logo 1.png

The Joker is a steel hybrid roller coaster located at Six Flags Discovery Kingdom in Vallejo, California, USA. The ride opened on May 30, 2016.


The Joker was announced on September 3, 2015.[1] It opened on May 30, 2016.



The Joker is a hybrid conversion of the park's former Great Coasters International wooden roller coaster Roar which has three inversions, two of which are first time used: step-up under flip and barrel roll. Changes that the ride underwent during its conversion include an increase in height from 94.6 feet to 100 feet, an increase in speed from 50 mph to 53 mph and an increase in drop angle from 45° to 78°, along with the addition of three inversions to the ride.


2 trains with 6 cars per train. In each car, riders are arranged 2 across in 2 rows, for a total of 24 riders per train.



External links

  • Joker on the Roller Coaster DataBase.

Articles on Six Flags Discovery Kingdom