Le Dègueulasse Marais is found in Little Canadia, after talking to Marty. It contains several zones:
Initially, only The Edge of the Swamp is available.
- Dègueulasse means "disgusting" and marais "swamp", but the former is an adjective that follows its noun, so "the disgusting swamp" is Le Marais Dègueulasse. The writer may have meant to use "disgusting" as a noun and "swamp" as a qualifier, which would make this "the swamp disgusting thing". This seems unlikely, though.