The train service between Wellington and Auckland is called the Northern Explorer, operated by Great Journeys of New Zealand. This scenic journey takes you through the heart of the North Island, showcasing volcanic landscapes, river viaducts, and coastal views, with services running multiple times a week. Key Details: Operator: Great Journeys of New Zealand (part of KiwiRail). Route: Auckland to Wellington, covering the North Island Main Trunk line. Frequency: Operates three days a week in each