The Otago Central Rail Trail

The route

The trail runs in an arc through the valleys between Clyde and Middlemarch, and it can be ridden in either direction or in parts.

From Clyde the formation follows the Clutha down to Alexandra, then turns up the Manuherikia valley through Chatto Creek, Omakau and Lauder. Above Lauder it enters the Poolburn Gorge — the scenic heart of the ride, and the section with two of the three tunnels and the Poolburn viaduct. It climbs gently across the Ida Valley to Oturehua, tops out at Wedderburn, then runs down through Ranfurly into the Maniototo, past Kokonga and Hyde, and along the Strath Taieri under the Rock and Pillar range to Middlemarch.

It helps to know why the line is here at all. Gold was found in Central Otago in the 1860s, and the rush that followed made Dunedin the largest and richest city in New Zealand. The Otago Central railway was built to connect that city to the goldfields, and was intended to run all the way to Cromwell. It took forty-two years of hand tools, embankments and cuttings to get as far as it did — which is why the trail feels engineered rather than routed. Every curve on it was chosen by someone deciding what a loaded steam locomotive could be asked to do.

The elevation profile is the whole argument for this trail. It rises from about 200m to 618m at Wedderburn, the high point, and does it over eighty kilometres. The one place riders sometimes get off and push is Tiger Hill, between Chatto Creek and Omakau — and the trust puts that incline at 1:50, a two per cent rise. If two per cent is the steepest thing on a ride, the ride is not about gradient.

The surface is unsealed but mostly compacted and hard, wide enough almost everywhere for two people to ride abreast and talk, which is more of the point than it sounds. There are narrow cattle-stop grates and s-shaped chicanes before road crossings, with a minimum barrier width of 900mm — passable for most wheelchairs and hand-bikes, though a child trailer will need manoeuvring. Gates are unlocked, and are to be closed behind you.

Direction is a real choice, not a formality. Clyde to Middlemarch means the long gentle climb comes first, while you are fresh, and the last two days run downhill toward Dunedin. Middlemarch to Clyde finishes in Central Otago's wine country with Queenstown 83km up the road. The trust publishes suggested itineraries in both directions and does not favour either.

What the riding is like

Central Otago sits inside a ring of mountains that strip the rain out of the wind from every direction. The result is a semi-arid basin — dry, bright, enormous, and unlike anywhere else in the country.

It is a landscape of distant tawny hills with flat tops, sometimes iced with snow against a very blue sky, and long views uninterrupted by trees or roofs. In early summer the drab hillsides turn mauve as wild thyme comes out, an introduced plant that has taken the whole district. Along the Manuherikia near Chatto Creek, viper's bugloss puts a purple haze beside the trail. In autumn the poplars in the old railway towns go gold in a country that has almost no other colour.

The engineering is not decoration on this ride; it is the ride. The line was nicknamed the Line of a Hundred Bridges during the struggle to get it built. On the trail you pass stonemasons' work that has stood for well over a century — the stone pillars of the Poolburn viaduct, schist facings around the tunnel mouths, brick lining in Prices Creek tunnel, neat stone even on culverts below the track where nobody was meant to look.

The middle of the trail is also where the sky stops being scenery rather than subject. There is no street lighting to speak of across the Maniototo, and on a clear night the difference that makes is not a matter of a few more stars — it is a different sky.

The stages

Four days is the pace the trust recommends for riders who want to get off the bike and look at things — four to four and a half hours of cycling a day, and a real choice of where to sleep each night.

Day splits are ours, built from the trust's own suggested four-day itinerary and its published section distances; the four legs sum to the full 152km. The same itinerary is published in reverse for riders starting at Middlemarch.

On the times you will see quoted. The trust gives a time estimate for every section based on an average cycling speed of 10kph, which is a sensible planning figure for a loaded bike on gravel with stops. A few of the individual figures in its own table do not match that basis — two twelve-kilometre sections are given as forty-five minutes, which is nearer 16kph. We have used the distances, which are consistent and sum correctly, and left the arithmetic on speed to you.

Where the extra days go. The trust's own advice is that a fourth day buys you time off the bike, and the things it buys are worth naming. Ophir sits just off the trail beyond Omakau, reached by a historic bridge and kept largely as it was. Naseby is a short detour from Wedderburn or Ranfurly and has an indoor curling rink, which is not a sentence many trail guides get to write. St Bathans is further off but is the one people come back talking about. And at Oturehua, Hayes Engineering Works is a Heritage New Zealand site where a farm family designed and built implements sold across the country from a shed in the middle of nowhere.

Three days is comfortable for a fit rider; five or more turns it into a holiday with a bike in it, which is what a good many people come for. Riding it in two is possible and misses the point.

Bikes, bags and booking

The trail itself is free. The Department of Conservation manages the surface and the major infrastructure; the seating, signage, shelters and plantings are the Rail Trail Trust's ongoing work, funded partly by the Rail Trail Passport and by donation.

Almost everything else is a booking. Bike hire, accommodation and luggage transfer are all local businesses, and the trust's advice is unambiguous: book well in advance for a multi-day ride, and book your evening meals too. In these villages the one place serving dinner may be the only one, and it may need to know you are coming.

Getting to the ends. Clyde is 83km from Queenstown by road and 199km from Dunedin. Middlemarch is 80km from Dunedin. There is road access to the trail at Alexandra, Omakau, Lauder, Oturehua, Wedderburn, Ranfurly, Kokonga, Hyde and Rock and Pillar, which is what makes a half-day or a single-day section straightforward to arrange.

What to bring. Sunscreen, a first-aid kit, a bike repair kit, clothes for all four seasons on the same day, and a torch for the tunnels. E-bikes are permitted up to 300 watts and are increasingly common among older riders. A helmet is compulsory — New Zealand's helmet law applies to all cyclists of every age, and the legal definition of a road is wide enough to include places like this one.

If something goes wrong

This is a benign trail with a genuinely unforgiving climate around it, and almost everything that goes wrong on it is a weather problem rather than a riding one.

Central Otago can drop below zero in winter and go above 30°C in summer. Low humidity makes the heat more bearable than the number suggests, but there is very little shade anywhere on the trail and water needs carrying. Clear days produce hard frosts overnight into late autumn and spring; expect ice in shaded spots and on bridges, and stay off the old railway irons altogether when they are wet, because they are extremely slippery.

Mobile coverage fails in two places, and the trust names one of them two ways. Its FAQ says coverage is weak or absent through the Poolburn Gorge and between Tiroiti Bridge and Hyde; its trail-conditions page gives the same second gap as Daisy Bank to Hyde. Those are different points on the same stretch. We cannot resolve it from the published sources, and we would rather say so than pick one: treat the whole run from Tiroiti through Daisy Bank to Hyde as a blackspot, and tell somebody your plan for that day.

Hazards and damage on the trail are reported to the DOC hotline on 0800 362 468, ideally with a photograph and a location. If you are riding with a tour planner, tell them as well.

Because road access points are frequent and the towns are inhabited, a bail-out here means a phone call and a lift rather than a rescue — provided you have signal. That is the reason the blackspot above is worth planning around rather than shrugging at.

Shorter versions, and longer ones

The Rail Trail is unusually easy to do partially, because road access and accommodation sit along its whole length.

A half-day or single-day section works well with a car at each end or a shuttle: the Poolburn Gorge from Lauder is the obvious choice if you only ride one piece of it, because that is where the tunnels, the viaduct and the best of the landscape are concentrated. Two- and three-day itineraries are published by the trust and simply use fewer, longer days.

At the Clyde end the trail now sits within a much larger Central Otago network — the Lake Dunstan Trail runs north from Clyde toward Cromwell, and the Roxburgh Gorge and Clutha Gold trails run south. Linking them turns four days into a fortnight without repeating a kilometre.

At the Dunedin end, check before you plan a day around the train. The Taieri Gorge railway is a genuinely spectacular ride through the gorge, and it is widely written up as the way to finish the trail — but it currently runs as a return trip from Dunedin to Pukerangi, not to Middlemarch, taking about four to four and a half hours. Riders wanting to connect with it have to make their own way to Pukerangi. The trust also notes that the Dunedin Railways website is being redeveloped. Please confirm the current service directly before you build an itinerary on it — this is one detail we would not want you to take from any guide, including ours.