The Tahune AirWalk is a 600-metre steel canopy walkway in southern Tasmania's Huon Valley, and yes, it's absolutely worth visiting for the 50-metre cantilever over the Huon River. If you combine it with Hastings Caves and a riverside stay, it becomes one of the smartest day trips you can do in the south. I've walked it plenty of times, and the verdict hasn't changed. The AirWalk works because it gives you a forest experience without asking you to be a bushwalker, then finishes with a river view that feels properly dramatic rather than mildly scenic. If you're deciding whether to drive out from Hobart, or whether to build a Huon…