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This article's subject exists primarily or exclusively within the SatAM continuity.
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.

Ironlock prison, located in the Dark Swamp.

The Dark Swamp is a location that appears in the Sonic the Hedgehog television series. It is uninhabited and largely untouched by Dr. Robotnik. According to Sally and Nicole, it is located in area 12, sector 9, quadrant 32. There is only one known structure in the Dark Swamp: Ironlock Prison.


Sally Acorn traveled to the Dark Swamp with Antoine after receiving a message that she believed may have been from her father. They traveled to Ironlock Prison and, along with Sonic the Hedgehog, found an ancient computer that held maps of all the tunnels under Robotropolis.[1]


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