New Zealand's best motorcycle roads are concentrated in the South Island, where the Southern Alps are crossed by only three roads and tunnelled under by a fourth. The short answer for a first trip: ride the Milford Road, Arthur's Pass and the Crown Range, link them with the Haast and Lindis passes, and add the Forgotten World Highway if you are also riding the North Island. Everything is left-hand traffic, mostly two-lane single carriageway, and the season is inverted from the northern hemisphere — the settled riding window is October to April.
How the country is put together
Two islands, and they ride completely differently. The South Island is the one with the mountains: the Southern Alps run the length of its spine, and it has a road network forced into two coastal strips joined by a handful of crossings. Only the Lewis Pass, Arthur's Pass and the Haast Pass carry a road over the main divide, and the Homer Tunnel goes under it. That scarcity is what makes South Island touring so satisfying — each crossing is an event, and a loop assembles itself.
The North Island is warmer, greener and more populated, with the mountains concentrated on the central volcanic plateau. Its best roads are coastal contours like State Highway 25 around the Coromandel, or back-country routes like the Forgotten World Highway, rather than alpine crossings. The one exception is the Desert Road, whose 1,074 m summit is the highest pass on the entire state highway network.
Across both islands the character is consistent. Roads are narrow by European standards, almost always single carriageway, and they carry a steady population of campervans. Distances that look trivial on a map take much longer than expected. Plan in hours.
Top roads in New Zealand
| Road | Where it runs | Key numbers | What defines it |
|---|---|---|---|
| Milford Road, SH 94 | Te Anau to Milford Sound, Fiordland | 119 km (74 miles) each way, high point about 940 m | The Homer Tunnel under signal control, avalanche terrain, no fuel on the whole road |
| Arthur's Pass, SH 73 | Christchurch to Kumara Junction near Greymouth | Pass 920 m; Arthur's Pass village 153 km from Christchurch | The Otira Viaduct, 440 m long at an average 12% grade |
| Crown Range Road | Arrow Junction, near Arrowtown, to Wānaka | Crown Saddle 1,076 m | Highest sealed through road in the country, with a steep switchback climb at the southern end |
| Haast Pass, SH 6 | Haast on the West Coast to Makarora in Otago | Summit 562 m | Lowest of the three main divide crossings; no settlements at all between the two ends |
| Lindis Pass, SH 8 | Omarama to Cromwell, Central Otago | 971 m; 32 km from Omarama, 78 km from Cromwell | Highest point on the South Island state highway network, in dry tussock country with no mobile coverage |
| Takaka Hill, SH 60 | Tasman Bay to Golden Bay, Nelson region | Road high point 791 m | Marble karst country, a winding climb that isolates Golden Bay from the rest of the island |
| Danseys Pass | Naseby and Ranfurly to Duntroon, Otago | 935 m, much of it unsealed | A back-country schist road, not an arterial route, with a historic coach inn part way |
| Forgotten World Highway, SH 43 | Stratford, Taranaki to Taumarunui, King Country | 148 km, up to three hours | Three saddles, the single-lane Moki Tunnel, the Tangarakau Gorge, and no fuel anywhere |
| Coromandel, SH 25 | Thames north around the peninsula and south to Waihi | Single carriageway for its entire length | Coastal corners on the Pacific Coast Highway; the SH 25A spur is 28.2 km across the peninsula |
| Desert Road, SH 1 | Across the Rangipo Desert, central North Island | Summit 1,074 m | Highest pass on the state highway network; closed by barrier arms during snow most winters |
Open the core South Island route in Google Maps — the four crossings most riders build a first trip around, ready to send to your navigation.
The four roads to ride first
The Milford Road, SH 94. The most famous road in the country and the most demanding to plan. It runs 119 km from Te Anau to Milford Sound and then stops at the water, so every kilometre is ridden twice. The high point is about 940 m at the eastern portal of the Homer Tunnel, a 1.2 km single-bore tunnel with unlined granite walls that runs under signal control during the summer peak, with waits of up to 20 minutes. There is no fuel between Te Anau and the Sound. Long sections through the avalanche zone are marked as no-stopping, and the road's crash statistics are among the worst on the network. Full detail in the Milford Road guide.
Arthur's Pass, SH 73. The middle crossing of the Southern Alps, and the one with the best engineering. The pass is 920 m and the western side drops 495 m to Otira on the Otira Viaduct — 440 m of four-span bridge at an average 12% grade, built in 1999 to replace a stretch of road that kept sliding down the mountain. The road's actual high point is Porters Pass at 939 m on the Canterbury side. See the Arthur's Pass guide.
The Crown Range Road. The direct route between Queenstown and Wānaka, topping out at 1,076 m at the Crown Saddle — the highest sealed pass or through road in New Zealand, two metres above the Desert Road summit. It opens with a steep switchbacked climb out of the valley, crosses an unlikely high farming terrace, then descends the Cardrona valley. It was only fully sealed in 2001. See the Crown Range guide.
The Forgotten World Highway, SH 43. The best road in the North Island and the emptiest in the country. It runs 148 km from Stratford to Taumarunui over three saddles, through the single-lane Moki Tunnel and the Tangarakau Gorge, past a village that declared itself a republic in 1989. The last unsealed section was sealed in February 2025. There is no fuel for the entire route. See the North Island guide.
Season and weather, southern hemisphere version
This is the part northern-hemisphere riders get wrong. New Zealand's seasons are inverted. As of August 2026, the practical touring window runs from October to April, with January and February as high summer — the warmest weather and by far the heaviest traffic. March and April are the connoisseur's months: settled enough, much quieter, with a real chance of cold on the passes. May to September is winter.
What winter actually means depends on the road. The Department of Conservation describes October to April as the busy summer season on the Milford Road and May to September as the winter months when conditions become extremely challenging, with snow, ice and mandatory chain carriage when signed. On SH 73, both Porters Pass and Arthur's Pass close regularly during winter snow. The Crown Range stays open but has a council-enforced chain requirement and a daily winter road report. The Desert Road closes with barrier arms for short periods most winters.
For a rider the practical rule is simple: a signed chain requirement means the road is not a motorcycle proposition that day. Check official road status the morning of the ride rather than the night before, and check again if anything alpine appears in the forecast.
Rainfall deserves its own warning. The West Coast is genuinely wet — the Otira Gorge on SH 73 receives between 4,000 and 7,000 mm of rain a year. Central Otago on the same afternoon can be dry, hot and glaring. Pack for both on every crossing.
Practical detail for visiting riders
Traffic keeps left. If you are used to the right, the two moments that catch people are pulling out of a fuel station and turning at a rural T-junction with no other traffic to copy.
Single-lane bridges are everywhere. They are signed with arrows showing which direction has priority: a large arrow means you go, a small one means give way. They are used at speed by locals and they appear on state highways, not just back roads.
Fuel gaps are the real planning constraint. The ones that matter are Te Anau to Milford Sound and back, Haast to Makarora over the Haast Pass, the full length of SH 43, and the long empty sections of SH 8 in Central Otago. Fill up when you can, not when you need to.
Mobile coverage disappears. There is effectively none over the Lindis Pass, little through the Haast, none in the Otira Gorge, and almost none on the Milford Road or the Forgotten World Highway. Plan for no data on every interesting road in the country.
Gravel and kea. Rural side roads are frequently unsealed and deposit loose stone at their junctions with the main road, usually on the exit of a corner. And at Arthur's Pass and the Homer Tunnel you will meet kea, the alpine parrot — endangered, protected, and genuinely destructive towards rubber, seals and soft luggage. Do not feed them and do not leave the bike unattended with straps exposed.
Gear notes for riding New Zealand
Every road on the list above loses mobile signal somewhere, and several lose it entirely. That makes offline navigation the first thing to sort out rather than an optional upgrade — the failure that matters is not getting lost, it is having no map at the moment you need to choose an alternative around a closure. Storing the whole trip before you leave and running it on a GPS setup that works with no signal at all is the baseline. If you are hiring a bike, check what its handlebar riding system can hold offline before you leave the depot, and understand how multi-constellation positioning behaves in the steep-sided gorges that make up half the good riding here.
Power is the second item, because multi-day touring between towns with no charging and a camera running drains everything faster than expected. A bi-directional fast charger covers the bike and the tent.
Third, tyres. Sea level to 1,076 m, 15-degree temperature swings across a single pass, and loose stone at every gravel junction add up to more pressure drift and more slow punctures than a typical European tour. A TPMS sensor gives you warning while a town is still in range, setting pressures properly before an alpine day is worth the five minutes, and it helps to know why cold weather moves the numbers before you start chasing a reading. Riders on the JADO S6 keep the offline map and the pressure readout on one screen.
For itineraries, see the South Island loop, which strings four of these roads into one circuit.
FAQ
What is the best motorcycle road in New Zealand?
The Milford Road, SH 94, if you judge on setting — 119 km through Fiordland to the water at Milford Sound, under the Homer Tunnel. If you judge on riding, the Crown Range and the Arthur's Pass crossing both give you more to do with the bike.
When is the riding season in New Zealand?
October to April. Remember the hemisphere is flipped: January and February are high summer, and June to September is winter with snow on the alpine passes. March and April give the best balance of settled weather and empty roads.
North Island or South Island?
South Island for the mountains and for the classic loop, and it is where most visiting riders spend their time. The North Island is worth adding for the Forgotten World Highway and the Coromandel coast, but it is not where the alpine riding is.
How many roads cross the Southern Alps?
Three carry a road over the main divide — the Lewis Pass, Arthur's Pass and the Haast Pass — and the Homer Tunnel passes underneath it on the Milford Road. That is the whole list, which is why South Island itineraries look so similar to each other.
Do I need to worry about chains on a motorcycle?
Not in the summer season. In winter, several roads including the Milford Road and the Crown Range require vehicles to carry and fit chains when conditions demand it. On two wheels, a signed chain requirement is best read as a signal to take the day off rather than a piece of equipment to buy.
