Ninety Mile Beach at Cape Reinga, by coach and on foot

The name oversells the distance. Tourism New Zealand describes the beach as running from Ahipara to Scott Point, a little south of Cape Maria van Diemen, and puts its real length at 88 kilometres.¹ Northland Inc gives the same figure in miles, 55 miles or 88km, so the name is a legend rather than a measurement.⁴ On a gray day it feels endless anyway. Bring a jacket: the wind off the Tasman rarely lets up.

Its Māori name is Te Oneroa-a-Tōhē, and the official sources write both names side by side. The sand belongs to a long story: Northland Inc says the beach matters deeply to local people and deserves respect on every visit.⁵ The Ngāti Kuri rohe begins at Hukatere on this coast and runs north to Te Rerenga Wairua.⁶ You are driving through someone's home, not across an empty playground.

What surprises most visitors is the legal status. Tourism New Zealand notes the beach is officially a highway, yet in practice suited only to 4WD vehicles and safe only at certain stages of the tide.² That is the whole story of Ninety Mile Beach at Cape Reinga in one line: it is open to traffic, and it can still swallow a car. The rest of this guide is about reading that tension well.

Everything on this coast runs on the tide. Tourism New Zealand describes the beach as safe to drive only at specific tide times, which is why coach timetables on the sand move from day to day.² If you are planning a walk or a fishing trip, the hours either side of low tide near Cape Reinga give you the widest, firmest strip of sand to work with. Wet sand near the water is firm; dry sand higher up is soft.

Official tide predictions come from Land Information New Zealand, which publishes daily tables listing the times and heights of high and low waters.¹² One detail catches people out in summer: LINZ adjusts those times to New Zealand Daylight Time while daylight saving is in force.¹³ Check the date on the table and the location it covers before you trust it, and leave a generous margin.

DOC's advice for the coastal track applies on the beach too. Carry tide charts, because waves can wash over parts of the route at high tide and in rough seas.¹⁴ Some streams cannot be crossed around high tide, and you may have to wait for the water to drop.¹⁵ Build that waiting time into any plan, and never race an incoming tide to save a few minutes. A wet foot is fine; a car in the surf is not.

At the northern end, most traffic leaves the sand at Te Paki Stream. DOC describes it as a popular vehicle entrance and exit for the beach, used by cars and tourist buses, and warns walkers to be ready for them.³ The stream bed itself is open to 4WD vehicles only, which is part of why the crossing feels like an adventure.¹¹ Expect wheel ruts and wet patches in the stream bed, and step aside early.

The stream runs out between the giant Te Paki dunes, so the exit doubles as the sandboarding stop for many tours. DOC strongly advises against sliding down any dune that leads into the stream where vehicles drive, because of the risk of being hit.³⁴ If you visit by car, use the car park at the end of Te Paki Stream Road and walk in rather than driving onto the sand.³⁹ Shoes you can empty of sand are a gift on the way back.

For walkers heading inland, DOC says following the stream through the dunes from the beach takes about another 1 hr 30 min to the parking area and toilets.⁴⁰ Soft sand makes it slower than it looks. Pack extra water, since soft sand is thirsty walking, and watch for vehicles in the stream bed, which can appear quickly around the bends. Turn back early if the stream is running high after rain.

For Te Araroa walkers, the beach is a long first stretch. DOC's coastal track notes say you can carry on from Te Paki Stream along Te Oneroa-a-Tōhē all the way to Ahipara.⁴⁵ Walking the whole length is a multi-day effort, so most visitors settle for an hour on the sand near either end, which is plenty to feel the scale of the place. Even a short walk shows how wide the sky is here.

A few hazards are easy to miss. DOC has reported feral dogs near Twilight Beach and Scott's Point, including Ninety Mile Beach, and advises against walking that area alone.³¹ Rogue waves and ocean surges are a risk for anyone fishing or walking close to the water.³⁵ Keep children well back from the wash, and keep an eye on the sea even when it looks calm. A stick and a whistle are sensible company on a long walk.

Phone coverage in Te Paki is thin, so let someone know your route and your expected return time.³⁶ If you join the Cape Reinga 90 Mile Beach tour instead of driving, the guide and driver carry that responsibility for you. You get the beach leg without the stress. Either way, give the tide the last word on your plans. There is always another tide tomorrow, and another chance to see the beach at its best.