| Thunder Valley | |
| Author: | Gary Paulsen |
| Country: | United States |
| Language: | English |
| Series: | World of Adventure |
| Genre: | Young adult novel |
| Publisher: | Random House |
| Release Date: | 1998 |
| Media Type: | Print (paperback) |
| Pages: | 96 pp |
| Isbn: | 0-440-41220-X |
| Oclc: | 38069223 |
| Preceded By: | Grizzly |
| Followed By: | Curse of the Ruins |
Thunder Valley is the sixteenth novel in World of Adventure series by Gary Paulsen. It was published on December 1, 1997, by Random House.
The story is about Jeremy and Jason Parsons who are left to take care of their grandparents Thunder Valley Ski Lodge while their grandma goes to visit their grandfather in hospital with a broken hip. Strange things begin happening once Grandma leaves, though.