In this article, I examine the psychosocial and phenomenological implications for the lived experiences of collective mobility among Central American asylum seekers and irregular migrants bound for the United States. I argue that attentiveness to migrants' embodied practices and encounters with the material world engender novel insight into the generative and productive potential of collective journeying. I focus on migrant caravans through Mexico that have surged in recent years in response to escalating rates of gang violence, extreme poverty, and environmental devastation in Central American countries. The analysis reveals that the transformative power of the caravan lies in its capacity to disrupt patterns of collective trauma by bearing witness to the atrocities migrants have suffered and giving meaning to their collective struggle. Close examination of how these processes unfold en route may help explain how and why collective mobility promotes resilience among participants and their ability to resist the effects of long-term collective trauma.