Hydra the Revenge

amusement ride

Hydra the Revenge (sometimes simply shortened to Hydra) is a steel Floorless Coaster at Dorney Park & Wildwater Kingdom in Allentown, Pennsylvania, United States. It is the only Floorless Coaster in Pennsylvania and was opened on May 7, 2005. Hydra was built on the site of the former wooden roller coaster Hercules, which was closed and demolished at the end of the park's 2003 season. Its name comes from the Greek Mythology story where Hercules battled the Hydra.

Hydra the Revenge
Hydra's first drop
Dorney Park & Wildwater Kingdom
LocationDorney Park & Wildwater Kingdom
Coordinates40°34′52″N 75°31′57″W / 40.5810°N 75.5325°W / 40.5810; -75.5325
Soft opening dateMarch 24, 2005
Opening dateMay 7, 2005
Cost$13,000,000 USD
General statistics
TypeSteel – Floorless Coaster
ManufacturerBolliger & Mabillard
DesignerWerner Stengel
ModelFloorless Coaster
Track layoutTwister
Lift/launch systemChain lift hill
Height95 ft (29 m)
Drop105 ft (32 m)
Length3,198 ft (975 m)
Speed53 mph (85 km/h)
Max vertical angle68°
Capacity1,245 riders per hour
Height restriction54 in (137 cm)
Trains2 trains with 8 cars. Riders are arranged 4 across in a single row for a total of 32 riders per train.
Fast Lane available
Hydra the Revenge at RCDB
Pictures of Hydra the Revenge at RCDB



Site preparation began in late 2003, when on September 1, 2003, Hercules, a wooden roller coaster that sat in the current location of Hydra the Revenge, was closed and demolished.[1] On September 14, 2004, the $13 million Hydra the Revenge was announced.[2][3] Construction began in the spring of 2004 and continued through the winter.[4] Hydra the Revenge was topped off (highest piece of the lift hill) on August 20, 2004 and the entire track layout was completed on December 4, 2004.[4] The first cars for the coaster arrived at Dorney Park on December 10, 2004 and the first ride with people on a train took place on March 24, 2005.[4] The roller coaster officially opened to the public on May 7, 2005.[5][6]


  1. Marden, Duane. "Hercules  (Dorney Park)". Roller Coaster DataBase. Retrieved January 4, 2013.
  2. Marden, Duane. "Hydra the Revenge Press Release  (Dorney Park)". Roller Coaster DataBase. Retrieved January 4, 2013.
  3. "Hydra The Revenge arrives at Dorney Park". Gettysburg Times. May 11, 2005. Retrieved January 6, 2013.
  4. 4.0 4.1 4.2 "Hydra the Revenge Photo Desk". Dorney Park/Cedar Fair. Archived from the original on November 24, 2014. Retrieved January 4, 2013.
  5. Marden, Duane. "Hydra the Revenge  (Dorney Park)". Roller Coaster DataBase. Retrieved January 4, 2013.
  6. "Hydra". Dorney Park. Archived from the original on January 28, 2013. Retrieved January 5, 2013.

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