Last Updated: 30th Dec 2023


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Croesus Crossing

Blackball, West Coast

Submitted by Ben Aynsley

Last Updated: 30th Dec 2023


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I've done it Done


Grunt Factor: 55 ?

Gnarl Factor: 55 ?








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Trail Map

Type of Run

Back country - remote

Point to Point (one way)


Native bush

Open ridges/tops

Run Makeup


Sealed Road

Gravel Road

Easy Single Track

Moderate Single Track

Technical Single Track

Average Uphill Gradient: +15.9%

Average Downhill Gradient: -12.1%


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Estimated Times to Run







The best way to run the Creosus Crossing is from Barrytown to Blackball. The track enters the bush just above sea level right next to the road and the first 3km is a steady gradient to approx 400m. From there it's steep up to the bushline and beyond where you cross through the saddle next to Mt Ryall at 1100m and 8km into the run.

The next 5km is undulating across the tops on the most technical part of the trail till you reach the turn off to Creosus Knob. The side trip up the knob adds 30minutes but on a fine day takes in brilliant views of the coastline and the Mt Watson ridge trail. The track from the junction has been upgraded and its only 2 km from here to the Hut. From the hut its 10km of mainly downhill to the end of the single track where you pop out at the carpark. The traditional race route which this guide follows takes you in to Blackball along the gravel road - approximately 6km of mainly downhill. This will keep your support crew happy as the road up to the carpark is rough and this way they can be sitting in the pub waiting for you to turn up! Easy.

Historic pack track - Stamping Batteries, siites of old mining townships

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Best parking is down Cargills road on your left , 100m from track start

47 km

41 minutes




In thick fog be careful over the tops - stick to the tail and look out for markers


Long-sleeved thermal top, Seam-sealed waterproof jacket, Gloves, Beanie/thermal headwear, Whistle, First aid kit, Extra food for emergencies, Survival bag, Cellphone, Map

Plenty on the Blackball side and water at the hut to top up.

Exposed tops - can be very windy and cold in winter

Blackball Hilton
Great Food - Historic building

You and Croesus Crossing

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Trail Reviews

Note if doing in Spring/Summer that much of the climb from Barrytown to Mt Ryall is likely to be feral with foliage... too heavily overgrown to see your feet (sometimes even legs!;) so allow extra time for swathes of un-runnable sections.

Rach Vell

February 2, 2023

I love the trail from Barrytown to Ces Clark hut (12km), steep uphill through beautiful quiet forest where you enjoy sea view as well. Even it is hot day, you are in nice cool shadow all the time. From Paparoa track part the trail is easy and mainly downhill, very relax. Maybe too 😅 The trail ending the car park, and after that it is a bit boring road 5km before Blackball. Like it a lot! Amazing views up there!

Raisa Joensuu

April 4, 2022

Loved this trail. Lovely runnable sections on the way up until you get to the steep bits but stunning South Island trail. Open and exposed over the top out of the tree lines. Then a gorgeous runnable downhill all the way to the bottom. Tons of wildlife to see. Love those mountains.

Sue Hardy

June 12, 2019

Most of the climb from Barrytown is fairly steep and rooty, so mostly walking after the first 2km until you reach the tops. From there, the spectacular views open up and it's not long until you're running downhill on a good quality track with a knee-friendly gradient. Recommend a wee side trip to Croesus Knob.

Catriona McWhirter

February 24, 2019

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Overlapping Trails

These overlap with this trail to some degree. You may wish to combine them but please note that to qualify for FKTs on these runs you should record a separate activity for each.

Mt Watson Croesus Loop

Mt Watson Croesus Loop

Length: 21.6km

Level: Intermediate

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