Sure is. 'Eight Below' has its roots in actual occurrences involving dogs and their battles to survive. While some details might be embellished for cinematic effect, the basic premise is based on truth.
The core idea of Eight Below is based on true incidents of dogs' struggles. But for the sake of entertainment, the plot and characters might have been embellished and fictionalized to some extent.
The 'Eight Below' original story is about a group of sled dogs in Antarctica. These dogs are left behind in extremely harsh conditions. They have to survive on their own against the freezing cold, lack of food, and various dangerous elements in the Antarctic environment. It's a story of survival, loyalty, and the amazing bond between the dogs.