The correct answer is adventure.
The excerpt describes a scene where the characters have just endured a challenging ordeal and are arriving in a new, bustling setting (Parry Sound) filled with activity, which suggests a journey or quest has taken place. The presence of lumber, boats, and the urgency in the environment allude to an adventurous scenario rather than elements typical of fantasy, mystery, or science fiction. The feelings of dread and relief also reflect the emotional highs and lows often found in adventure genres.