The Question and Answer section for Where the Red Fern Grows is a great resource to ask questions, find answers, and discuss the novel.
You can check them out at the GradeSaver short summary below:
The main setting of the novel is the Ozark Mountains, near the Illinois River. Although, we are not provided with a specific time period, we can infer from the text that the novel is set sometime during the 1920s.
In the first chapter, we first meet Billy as he walks home from work. We later learn that Billy lives in Snake River Valley, which is located in Idaho.