Heading at pass refers to a position where a person or a vehicle is located at a narrow passage or a mountain pass. Synonyms for this phrase include passing through, traversing, navigating, crossing, crossing over, making one's way through, and journeying through. These words allude to the action of moving through a narrow or challenging terrain. It highlights the importance of having a clear direction and purpose when navigating through difficult situations. In essence, heading at pass implies a sense of resilience, determination, and focus when faced with challenges. These synonyms accurately capture the essence of this phrase and can be used interchangeably depending on the context, providing a vivid description of the act of passing through a narrow passage.