Reisa Kartwell is a female hare of Salamandastron who works as the mountain's official cartographer.
The character's creator envisioned a scenario where Kartwell's maps would be useful for residents of Redwall Abbey when their home is attacked by unknown forces. A quick route to Salamandastron would be easy to locate.
- Reisa Kartwell was created by Redwall fan and Redwall Wiki editor Hyzenthlay of Redwall, also known as Olivia, for the 2010 Penguin Name A Character Contest.
- "Reise" is the German word for travel.
- "Karte" is the German word for map.
- Reisa is the only official Redwall character not to appear in a published Redwall novel.
- This character was revealed by the Redwall Wiki in September 2015.