Last Updated: 16th Mar 2024

Beginner - Intermediate

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Ben Ohau Loop

Twizel, Canterbury

Submitted by Jake Trinder

Last Updated: 16th Mar 2024

Beginner - Intermediate

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I've done it Done


Grunt Factor: 35 ?

Gnarl Factor: 28 ?








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Trail Map

Type of Run

Back country - remote




Open tussock/grasslands

Open ridges/tops

Run Makeup


Gravel Road

Farm Road / 4WD Track

Moderate Single Track

Average Uphill Gradient: +12.6%

Average Downhill Gradient: -10.4%


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Estimated Times to Run







Starting from Greta Hut, follow the gravel road back towards Twizel for 600 metres. Take a left into the car park for the Ben Ohau Summit. Follow the well marked track, through the switchbacks to the summit of Ben Ohau. Continue past the summit until you reach a junction at around 9.5km. Take the left, downhill trail. Follow this trail all the way down back to the lake and Greta Hut.

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Plenty of off road parking around the front of the hut. No public transport as remote start point.

26 km

34 minutes




Make sure at the 9.5km mark you take the left, downhill turn. This turn takes you down Greta Stream which lead back to Greta Hut.

Very patchy.

Thermal leggings, Lightweight fleece top, Seam-sealed waterproof jacket, Windproof jacket, Gloves, Whistle, First aid kit, Extra food for emergencies, Cellphone, Map, Crampons / microspikes (for winter conditions)

Only points for water are rain water at the hut and a few fresh streams to drink from after the 11 km mark.

Will be covered in snow during winter. Some sections of the track are very exposed and the wind can be very strong. Track down Greta stream can be very boggy and wet after rain.

Good Pub food; wings, burgers, craft beers etc.

Trail Legend


Ben O’Carroll

has completed Ben Ohau Loop once in the last year.

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Trail Reviews

Awesome loop with great variety. Highly recommend veering off to the summit from the saddle near pt 1387 - there’s a well worn trail only 500m long and the views are exceptional!

Daniel Parkinson

April 4, 2023

Magnificent loop on a fine day! A tough 6km slog to the top but very satisfying from there. The trail links with other options before gently descending a river valley (a few water refill options before you get too low) If you look for, you should find the hard right at 15.5km down to the stream before a small final ascent to a farm gate. Follow the farm track back to the road.

Bryan Stout

October 17, 2022

I put the GPx file on my watch to avoid the confusion, thank you. But other than that bit discussed before, it's straightforward. I did a wee divert to Ben Ohau peak. Go from the saddle as a track has been worn that way. About 1km to the top. Very windy when I went, but great views and photo op with the rocks!

Alice Brice

January 2, 2022

It’s a stunning track. The first 5 and a bit Kim’s we’re tough for me but the views were amazing.

The rest was pretty plain sailing with a few deep river crossings.

Will go back for sure.

Tom Sweeney

November 2, 2021

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