Loading...
Mount Robert Carpark, St Arnaud
24.4 km
12 hours
1335 metres
If you’re looking for a hike that truly earns the title of "epic," you’ve found it. The Pinchgut Track, following the Robert Ridge Route to Lake Angelus, is a quintessential New Zealand alpine experience. Located in the heart of the Nelson Lakes National Park, this isn't just a walk in the park—it’s a high-altitude mission that demands respect, fitness, and a good pair of lungs.
With a name like "Pinchgut," you can probably guess what the start is like. It’s a steep, unrelenting climb that tests your mettle from the first step. But for those who push through the burn, the rewards are some of the most spectacular vistas in the South Island. From the sparkling blue depths of Lake Rotoiti to the jagged, snow-dusted peaks of the Travers Range, this track offers a front-row seat to the raw beauty of the Southern Alps.
Your journey begins at the Mount Robert Carpark, sitting at about 900 metres above sea level. You’ll start on the Pinchgut Track, a series of tight, steep zigzags that cut up the western face of Pourangahau / Mount Robert. For the first hour or so, you’re nestled in regenerating beech forest, which provides some welcome shade, but the real magic happens when you break out of the bushline.
Suddenly, the world opens up. The forest gives way to golden tussock and alpine herb fields, and the view back down to Lake Rotoiti becomes increasingly dramatic. After about 1.5 hours of climbing, you’ll reach the junction where the Robert Ridge Route begins. This is where the terrain transforms from a well-defined track into a "poled route"—meaning you’ll be following orange markers across a rugged, rocky ridge.
The ridge walk is the highlight of the trip. It’s an undulating, exposed traverse across the "spine" of the mountain. You’ll scramble over rocky outcrops, navigate scree slopes, and cross high points like Flagtop (1690m) and Julius Summit (1794m). It feels incredibly wild up here. On a clear day, you can see forever; on a windy day, you’ll feel the full force of the elements.
The final stretch involves a descent into the glacial basin of Rotomaninitua / Lake Angelus. Seeing the hut and the alpine lake nestled among the peaks for the first time is a moment you won’t forget. Most people treat this as a multi-day tramp, staying overnight at the Angelus Hut (which must be booked in advance!), but very fit "expert" trampers can tackle the 24.4km return trip in a single, gruelling 12-hour day.
Parking is available at the Mount Robert Carpark, located at the end of Mount Robert Road, approximately 4.9 km from State Highway 63. The road from SH63 to the carpark is partially unsealed. The carpark sits at nearly 900 metres above sea level and offers magnificent views over Lake Rotoiti and the St Arnaud Range. Toilet facilities are provided at the carpark. Overnight parking is permitted, but camping is not allowed, and there have been reports of theft from cars, so it's advisable not to leave valuables.
Get DirectionsKeep an eye out for these native and local bird species along the trail
Nestor notabilis
Intelligent alpine parrot endemic to the South Island. Known for curiosity and problem-solving abilities.
Best time: Year-round
Rhipidura fuliginosa
Small insectivorous bird with distinctive fan-shaped tail. Friendly and curious, often following walkers through the bush.
Best time: Year-round
Refuel after your hike at these nearby spots
5km away
Offers takeaway food, a cafe menu, and fantastic coffee, perfect for a pre-hike boost or post-hike treat.
Be the first to share a photo of this trail
Recent reports from hikers
No condition reports yet.
Be the first to report the current conditions!
See what other hikers are saying
--
No reviews yet
No reviews yet. Be the first to share your experience!
Out and back
The absolute standout is the 360-degree alpine panorama from the ridge. There are very few places in New Zealand where you can walk along a high-altitude ridge for such a sustained period with views this expansive.
Flagtop is a fantastic spot for a breather and a photo. At 1690 metres, it offers a sense of perspective on how far you’ve climbed. Another highlight is the geological drama of the landscape. The ridge is made of shattered greywacke, and the sight of the "towers" and rocky ribs of the mountain is awe-inspiring.
Of course, the destination is the "must-see." Lake Angelus is a stunning tarn that looks different in every light—sometimes a deep navy, other times a brilliant turquoise. The Angelus Hut itself is an iconic New Zealand backcountry hut, and even if you aren't staying the night, it’s a great place to sit on the deck, soak in the silence, and feel like you’re on top of the world.
To get to the trailhead, head to the township of St Arnaud. From State Highway 63, turn onto Mount Robert Road. Follow this for about 4.9km until you reach the end. Be aware that the road is partially unsealed and can be narrow in spots, but it’s generally fine for most standard vehicles.
The Mount Robert Carpark is well-equipped with toilets and plenty of space, though it can get very busy on summer weekends. A word of caution: while overnight parking is allowed, there have been occasional reports of theft. Don't leave any valuables in your car. Take everything of value with you or leave it at your accommodation in St Arnaud.
While the high ridge is a bit of a lunar landscape, you’ll still encounter some of New Zealand’s feathered locals. In the lower beech forests, keep an ear out for the melodious chime of the Bellbird (Korimako) and the boisterous call of the Tūī. You might also see the South Island Robin (Toutouwai) hopping near your boots—they are famously curious and often follow trampers to see if any insects have been stirred up.
Once you’re up on the ridge and near Angelus Hut, keep an eye out for the Kea. These mountain parrots are highly intelligent and very cheeky. They love to investigate bags and boots, so never leave your gear unattended outside! Seeing a Kea soar through an alpine valley, showing off its brilliant orange under-wings, is a true New Zealand highlight.
Best Seasons: The prime time to tackle the Robert Ridge is during Summer and Autumn (December through May). During these months, the snow has usually cleared, and the days are longer. However, "summer" in the Nelson Lakes can still involve sub-zero temperatures and snowstorms, so you must check the forecast via MetService before you head out.
Best Start Time: Start as early as possible—ideally at sunrise. Not only does this give you the maximum amount of daylight for the 12-hour return trip, but the morning light hitting Lake Rotoiti is simply breathtaking.
Weather Considerations: The Robert Ridge is notorious for its exposure. If the forecast predicts high winds or low visibility, save this hike for another day. Navigation becomes very difficult in "whiteout" conditions, and the ridge is not a place you want to be when a gale is blowing.
The Nelson Lakes area holds deep significance for Māori. Rotomaninitua (Lake Angelus) translates roughly to "the lake of many mists," a fitting name for a place that is often shrouded in alpine clouds. The area was traditionally used as a pathway for iwi (tribes) travelling between the east and west coasts.
Geologically, the park is fascinating because it sits right on the Alpine Fault. The dramatic landscape you see—the deep U-shaped valleys and the jagged ridges—is the result of massive tectonic forces and glacial carving over millions of years. Today, the area is a focus for conservation, with intensive pest control helping to bring back the birdsong that makes the New Zealand bush so special.
After 12 hours on your feet and over 1300 metres of climbing, you’re going to be hungry! Head back down to St Arnaud (just 5km from the carpark) for some well-earned taye-away or a sit-down meal.
The Pinchgut Track and Robert Ridge Route is a challenge that will stay with you long after the muscle aches have faded. It’s a raw, beautiful, and demanding piece of New Zealand’s backyard that every experienced tramper should experience at least once. Just remember: respect the mountain, watch the weather, and enjoy the view!
Prosthemadera novaeseelandiae
Endemic New Zealand honeyeater with distinctive white throat tuft and iridescent plumage. Known for its complex and beautiful song.
Best time: Year-round
Anthornis melanura
Endemic songbird with bell-like calls. Males are olive-green with a purple head sheen; females are browner with a narrow white-yellow stripe across the cheek.
Best time: Year-round
Hemiphaga novaeseelandiae
New Zealand wood pigeon, a large native bird with iridescent green and purple plumage. Important for seed dispersal of native trees.
Best time: Year-round
Petroica australis
Friendly forest bird that often approaches walkers. Males are dark grey-black; females are paler.
Best time: Year-round
5km away
A charming lodge with a restaurant and bar, catering for breakfast, lunch, and dinner with a focus on fresh, locally sourced produce. Ideal for a hearty meal after a long tramp.
5km away
A local cafe offering a welcoming atmosphere, though specific opening hours should be checked directly.