On June 10, 1886, Mount Tarawera split along an eleven-kilometre fissure in four hours, burying three villages and killing over 120 people. The eruption carved a rift through ancestral Māori land, obliterating the Pink and White Terraces — silica formations once called the eighth natural wonder of the world. Today the mountain's fractured dome and explosion craters form New Zealand's youngest large-scale volcanic landscape, managed by Ngāti Rangitihi and Tūhourangi iwi under the principle of kaitiakitanga. Mount Tarawera guided tour access operates exclusively through iwi-authorised operators who hold permits to cross private land. The volcano sits within the Ōkataina Volcanic Centre, part of the Taupō Volcanic Zone that runs 350 kilometres through the North Island. The 1886 eruption line remains visible as a series of craters — Wahanga, Ruawahia, and Tarawera proper — each exposing layers of basalt, rhyolite, and scoria. Vegetation has reclaimed lower slopes, but the crater rims remain bare, their geometries unchanged since the eruption ceased. Guided hikes cross private Māori land via Te Wairoa, the buried village now preserved as an archaeological site. Routes ascend through kānuka scrub and past fumaroles still venting steam. The main crater track climbs 800 metres over five hours, reaching the western rim at 1,111 metres. From this edge visitors look into the Rotomahana crater lake, heated to fifty degrees Celsius by subsurface magma. On clear days the view extends across Lake Tarawera to Mount Tauhara and the peaks of Te Urewera. Te Ariki, the mountain's Māori name, translates as 'the peak'. Tūhourangi oral history records eruptions in 1314 and 1886, both preceded by the appearance of a waka wairua — a phantom war canoe seen crossing Lake Tarawera days before the blasts. The 1886 event destroyed the village of Te Wairoa, where tourists had stayed to visit the terraces. Rotorua volcano tours now incorporate this history, with guides descending from survivors explaining the eruption's impact on whānau and whenua. The mountain remains an active geological feature, monitored by GeoNet seismographs that record ongoing microseismicity beneath the caldera.