| Spirou et Fantasio #41 La vallée des bannis | |
| Publisher: | Dupuis |
| Date: | 1989 |
| Series: | Spirou et Fantasio |
| Origlanguage: | French |
| Origpublication: | Spirou magazine |
| Origissues: |
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| Origdate: | 1989 |
| Origisbn: | 2-8001-1704-4 |
| Writers: | Tome |
| Artists: | Janry |
| Previssue: | La frousse aux trousses, 1988 |
| Nextissue: | Spirou à Moscou, 1990 |
La vallée des bannis, written by Tome and drawn by Janry, is the forty first volume in the Spirou et Fantasio series, and the ninth from the Tome & Janry team. The story was serialised in Spirou magazine before it was released as a hardcover volume in 1989.
In La vallée des bannis, carried away by a furious torrent during their passage through Touboutt-Chan (from the previous story La frousse aux trousses), Spirou and Fantasio regain consciousness in the hostile environment of the "Valley of Banishment", their destination. Fantasio is soon infected by a mosquito carrying a virus, making him act extremely crazy. He runs off into the wild, and Spirou is forced to begin exploration of the area with only Spip as a companion.
Spirou discovers the tragic destiny of the first people exiled in the valley, and while searching for other survivors and a way leading out of the valley, seeks a way to secure Fantasio's return and cure his state of madness.