Arthur's Pass is the alpine heart of the South Island: a mountain pass at 920 metres where the Great Alpine Highway crosses the Southern Alps, and also a tiny mountain village surrounded by the oldest national park in the South Island. It's where the dry, golden climate of Canterbury meets the wet temperate rainforest of the West Coast, and where the TranzAlpine scenic train makes its most photogenic stop among viaducts, gorges and snow-dusted beech trees.
The village is just a handful of houses, a café-shop, a railway station and a DOC (Department of Conservation) visitor centre, but around it lies some of the best hiking country in New Zealand: the 131-metre Devils Punchbowl waterfall, the Bealey Valley, the demanding summit of Avalanche Peak and dozens of alpine routes. It's also one of the few places in the world where you'll come across the kea, the planet's only alpine parrot, as clever as it is mischievous.
Arriving on the TranzAlpine, one of the world's great train journeys, is an experience in itself: you leave Christchurch, cross the Canterbury Plains, pass through gorges and over viaducts and arrive at the village surrounded by peaks. Whether as a day trip from Christchurch, a stop on the way to the West Coast glaciers or a base for several days of hiking, Arthur's Pass is a must in New Zealand's alpine interior.
This mountain pass was an ancestral route used by Ngāi Tahu Māori to carry pounamu (greenstone) from the West Coast to the east; its traditional name is linked to the trails of Poutini, the taniwha guardian of greenstone. In 1864 the engineer Arthur Dobson, guided by Māori knowledge, 'rediscovered' it for the settlers, and during the West Coast gold rush a coach road was opened that in 1923 became the railway line the TranzAlpine runs on today. The national park, created in 1929, was New Zealand's third. The full story, from Māori greenstone to the scenic train, is on the history page.
Read the full history ↓The great plain of the South Island, settled by the Anglican “Canterbury Pilgrims” in 1850 around Christchurch, “the garden city”. Land of Ngāi Tahu, of the roof of the country (Aoraki/Mount Cook) and of the dark skies of Tekapo, marked by the devastating earthquakes of 2010-2011.
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Origins, formation and what the sources say.
Long before an engineer gave it an English name, this alpine pass was already a highway. For the Māori of Ngāi Tahu, and for the peoples who came before them on the South Island, Te Waipounamu, the folds of the Southern Alps were not a barrier. They were a network of well-known routes, used for centuries to carry the country's most prized treasure: pounamu, the green jade found only on the West Coast.
The Māori name Te Waipounamu ('the waters of pounamu') comes from the jade itself and names the whole South Island. Its origin is told in the story of Poutini, the guardian taniwha who travels the West Coast protecting the mauri, the life force, of the stone. The rivers on the western side, such as the Arahura and the Taramakau, were the sources of the jade. The trails that crossed the alpine divide, like this pass, carried it to the settlements in the east, where it was worked into adzes, fish hooks, weapons and hei-tiki. Pounamu was currency, heirloom and sacred object all at once, and whoever controlled its routes held the power.
The pass we now call Arthur's was one of those corridors. It was neither an easy route nor a busy one. Hunting and trading parties used it only now and then, as Chief Tarapuhi would later tell the European surveyors. Even so, it was part of a knowledge of the land refined over generations. When the first settlers 'discovered' the pass, they were in fact being guided by that ancestral knowledge. The mountain was never empty: it had been mapped in the memory of the people who walked it long before.
In the early 1860s, the young province of Canterbury had an urgent problem. Gold had been found on the West Coast, on the other side of the Alps, and thousands of prospectors were arriving by sea on a wild, isolated coast. Canterbury needed an overland route linking Christchurch to the goldfields so it would not lose that trade to other provinces.
In 1864, Canterbury's chief surveyor, Thomas Cass, asked the young engineer Arthur Dudley Dobson (1841-1934) to find a pass from the Waimakariri River basin to the West Coast. It was the Māori chief Tarapuhi who showed him where the pass used by Māori parties lay. Together with his brother Edward, Arthur Dobson crossed the divide and went down into the Otira River valley, and the pass would take his name. When the gold rush hit full force that same year, the province offered a reward of 200 pounds to whoever found the best direct crossing. Another of the Dobsons, George, assessed several passes and confirmed that Arthur's was by far the most suitable.
What followed was a breathtaking feat of engineering. In just one year, gangs of hundreds of workers cut a coach road over the pass with pick and shovel. It opened in 1866 to carry passengers, mail and goods between Christchurch and the West Coast goldfields. Horse-drawn coaches crossed brutal terrain, with flooded rivers and fearsome slopes. For decades that road was the lifeline between the two sides of the island, and the small settlement on the pass, then called Bealey Flats, lived to the rhythm of gold and coaches.
The 20th century brought the ambition of the railway. Linking Canterbury and the West Coast by train meant boring through the mountain. The project chosen, the Otira Tunnel, became one of the toughest engineering epics in New Zealand history. Work began on 14 January 1908, and the village of Arthur's Pass, born as a coach stop, turned into a construction camp for the project.
The 8.5-kilometre Otira Tunnel would cut through the divide of the Southern Alps on a steep gradient. Construction was maddeningly slow because of hard rock and water seepage, and then the First World War took away the workers and drove up the cost of materials. The railway reached the village of Arthur's Pass in 1914, but the tunnel was only finished in 1923, fifteen years after it was started. When it finally opened, it was one of the longest railway tunnels in the British Empire and the southern hemisphere. It was also electrified because of its steep gradient and the need for ventilation.
That line is the one the TranzAlpine runs on today, and it is considered one of the world's great train journeys. Modern passengers crossing in comfort in a panoramic carriage rarely imagine the human cost of the track beneath them: decades of work, lives lost, and whole families who lived and died in these mountain camps to join the two coasts. Nature gave no respite either. On 9 March 1929 a magnitude 7.1 earthquake shook Arthur's Pass, damaging the line and closing roads, a reminder that these Alps are still alive and moving.
In 1929, the same year as the great earthquake, the Governor-General declared Arthur's Pass a national park. It was New Zealand's third, after Tongariro and Egmont. The declaration recognised what walkers, scientists and mountaineers already knew: this alpine crossing held an extraordinary natural world, with southern beech forests, alpine meadows of giant buttercups, glaciers and unique wildlife.
The park's emblem is the kea, the world's only alpine parrot. It is olive green with flashes of orange under its wings and astonishingly intelligent. Kea both fascinated and annoyed the settlers. For decades they were hunted, accused of attacking sheep, with bounties paid for their beaks, until science showed how valuable and rare they are. Today they are protected and endangered, with only a few thousand left in the wild. At Arthur's Pass they are the mischievous stars that open backpacks and pull the rubber seals off cars in the car parks.
Over the 20th century, the park became a hub for mountaineering and hiking. It has a network of DOC huts, classic routes such as Avalanche Peak and the Bealey Valley, and a visitor centre that is now one of the most complete in the country. A mountain people once crossed as fast as they could became a destination in its own right: a place to stop, walk and look.
The last great chapter of engineering came in 1999 with the opening of the Otira Viaduct. This 440-metre structure spans the western slope of the pass, which is notoriously unstable because of landslides. Before the viaduct, the descent towards Otira was one of the most feared stretches of road in New Zealand, often cut by rockfalls. Today the viaduct is a classic photo stop on the Great Alpine Highway, almost always with a kea perched on the cars.
In 1998 the Treaty of Waitangi had a late but important echo here. The Ngāi Tahu Claims Settlement Act recognised the historical wrongs suffered by Ngāi Tahu, the iwi of the South Island. Its lands, including these passes and the sources of pounamu, had been bought by the Crown in the 19th century for paltry sums and with broken promises. A year earlier, the Ngāi Tahu (Pounamu Vesting) Act 1997 had returned legal ownership of all pounamu in its natural state within the tribal territory to Ngāi Tahu. In legal terms, the jade that once crossed these passes went back to the hands of its ancestral guardians.
Today's Arthur's Pass is at once a tiny village, a cherished national park and a historic crossing where several layers of time sit side by side: the pounamu trails of Ngāi Tahu, the gold-rush coaches, the heroic Otira Tunnel, the 1929 park and the modern viaduct. Passengers on the TranzAlpine and walkers heading up Avalanche Peak travel through more than a landscape. They follow a story of connections, between two coasts and between peoples and mountains, that began long before any map existed.
