This easy gravel road runs from Glenorchy up through Paradise, at the head of Lake Wakatipu in Otago. The driving is straightforward and should be doable by most vehicles in normal conditions, with several shallow ford crossings adding the most interest along the way. The reward is mind-blowing scenery: towering mountains and ancient native forests that have famously featured as Lord of the Rings filming country. A little side track at the far end drops down to the river, and the route continues to the boundary of Mount Aspiring National Park (note that dogs aren't permitted beyond that point). It's a relaxed, scenic cruise rather than a technical challenge, popular enough that you'll likely share it with rental vehicles and tour traffic. Take it slow, enjoy the views, and watch for oncoming vehicles on the narrower sections.