What is the Climax in Nightmare Mountain By Peg Kehret?

In "Nightmare Mountain" by Peg Kehret, the climax occurs when the protagonist, a young boy named Matt, faces a life-threatening situation while lost in the wilderness with his friend. As they navigate the treacherous environment, they encounter a dangerous mountain lion, heightening the tension and danger of their predicament. This pivotal moment tests their survival instincts and courage, ultimately leading to their determination to escape the mountain's perils. The climax sets the stage for their subsequent struggle to find safety and return home.