Five years ago a casual decision unexpectedly changed my life. I had resolved to use days off to hike the Bruce Trail, a 500-mile route following the Niagara Escarpment in southern Ontario. I did so even though I have never been athletic or outdoorsy. This trekking commitment unexpectedly presented me with new realities and questions that have since affected my daily mode of travel, my choice of church to attend, my priorities in shopping and eating, my understanding of how our cities and suburbs are arranged and my decisions about recreation. I thought I was taking on a temporary challenge; instead, the Bruce Trail converted me.