The family’s construction of a snow house demonstrates Human Adaptability as the Key to Survival by showing how practical knowledge allows them to respond to worsening conditions. Faced with a blizzard that makes travel impossible, they use the surrounding snow to create shelter. Their practiced construction of a “low domed house” from carefully shaped blocks demonstrates the survival knowledge they possess and can apply in an emergency (80). This resourcefulness also appears in the children’s response to the wild dogs. Their earlier observation that fire could drive the animals away prepares for the later scene in which Maroo and Otak use burning torches to claim a deer carcass. Turnbull uses this earlier missed opportunity as foreshadowing, allowing the children to apply what they have learned when the family urgently needs food. Their ability to secure an essential food source through coordinated action highlights how observation, cooperation, and learned skills help the family survive hunger and severe weather.

Old Mother’s solemn decision to send the children over the mountain alone marks an important stage in their growing responsibility within the family. When she declares, “Maroo and Otak must go alone and fetch help […] or we shall all die” (86), she places the fate of the entire family in their hands. This moment reinforces the theme of Coming of Age Through Shared Responsibility. The weight of this new role is amplified by her stark command that “if one of [them] is injured or lost, the other must leave him or her and go on alone” (87). This difficult instruction reflects Old Mother's determination to give the family its best chance of survival, requiring the children to place the family’s needs above their own feelings. Tikek’s horrified reaction and Vorka’s protests underscore the magnitude of the sacrifice being asked. Old Mother’s choice is based on the family's immediate circumstances: Vorka’s injured arm prevents him from hunting effectively, and he’s needed to protect the family, so Maroo and Otak are the only ones capable of making the journey. The mission therefore marks the beginning of a new level of responsibility for the children as they take on a role that had previously belonged to the adults.

The mission immediately tests the relationship between Maroo and Otak. Old Mother’s appointment of Maroo as leader reflects her confidence in Maroo’s judgment and caution, but it also creates tension, evident in Otak’s initial sulkiness. His reluctant obedience on the glacier, when Maroo forbids him from hunting, shows his struggle to accept her authority. The crisis in the crevasse demonstrates that the success of their journey depends on both children. When Maroo falls, Otak plays a crucial role in her rescue. His quick thinking—using his staff as an anchor to secure the rope—demonstrates his resourcefulness and reinforces the importance of cooperation during the journey. By rescuing Maroo, he shows that leadership doesn’t lessen the need for mutual support. The rescue strengthens the children’s trust in one another while also demonstrating that each contributes different strengths to the mission. Their survival depends on their ability to work together, confirming Old Mother’s judgment that they could undertake the journey together.

As the children embark on their journey away from their family, the narrative explores how belief and ritual help them face uncertainty, showing the theme of Tradition as an Emotional Anchor. Maroo carries a smoldering ember from the family hearth, which she believes is “good magic” and which helps her feel connected to home. The ember reflects the continuing importance of fire as a practical necessity while also reminding Maroo of the family’s “hearth-place.” Alone on the mountain, the children interpret unfamiliar places through the spiritual beliefs they have learned from their elders. To steady themselves, they talk about secret hunter initiations involving “bulls and horses and the secret pictures in the deep caves” (97). This reliance on the tribe’s cultural lore—its mysteries, songs, and traditions—helps them remain connected to their shared beliefs and family despite their physical separation.

The crossing of the glacier presents the children with one of the most dangerous stages of their journey. Maroo’s fall into the crevasse demonstrates the hidden dangers of the mountain even though she follows Old Mother’s instructions carefully. Her survival depends on both her determination and Otak’s quick thinking as he uses his staff to anchor the rope. The appearance of the buck ibex on the pass reinforces the uncertainty that surrounds the mountain. Otak’s fearful question, “Was it a spirit?” (103), reflects the spiritual beliefs through which the children interpret unfamiliar experiences. Turnbull leaves the ibex’s significance deliberately ambiguous, allowing it to be understood either as an ordinary animal or as something more meaningful within the children’s worldview. Maroo’s insistence that they press onward, despite the unnerving encounter, marks her growth as a leader who remains focused on the journey despite fear and uncertainty.