After 11 months and thousands of kilometres on foot, adventurer Mark Gresser has completed his extraordinary journey across Australia, walking from Steep Point in Western Australia to Cape Byron.

Along the way, he faced extreme weather, isolation and physical challenges, all while raising money and awareness for youth mental health charity Batyr. Mark joins us to reflect on the final stages of the trek, the lessons he's learned, and how the journey has changed his perspective on mental health, community and life on the road.

Reporter: Emma Setterfield-Smith