Buller has 3 trails including medium, difficult, and extra difficult difficulty trails. The trail with the highest elevation climb is Lyell to Ghost Lake Hut - Old Ghost Road and the one with the least climb is Heaphy Track. The longest trail is the Heaphy Track at 70.9 km. To complete this hike you should budget at least 4 days. For a shorter adventure you can try the Lyell to Ghost Lake Hut - Old Ghost Road at 26.7 km. This could be done in as little as 0 days. Trails with the best offering of hostels include Wangapeka Track, Heaphy Track, and Lyell to Ghost Lake Hut - Old Ghost Road.