Stage 3 of the Tour Down Under is a hilly race for the puncheurs, according to Cyclingnews. The stage starts at Henley Beach and finishes in Nairne, covering 140 kilometers. It features two challenging climbs: Wickham Hill, a 3-kilometer ascent with an average gradient of 7% and peaks of 11%, and Mount Barker's Summit Road, a short but steep climb. The race director, Stuart O'Grady, highlights the potential for attacks on these climbs, which could disrupt the sprinters' plans. The stage promises an exciting race with the potential for surprises, especially with the inclusion of new host locations like Henley Beach and Nairne.