After a drizzly morning traversing the Diedrichs Range, Toaroha Saddle Bivouac makes a welcome lunch spot. Photo: Mark Watson

Four decades of shelter 

November 2025

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November 2025

Toaroha Saddle Bivouac, Central Westland

Perched on the high saddle that connects the Diedrich Range with the Toaroha Range and separates the Toaroha and Mungo rivers, this humble ‘stand-up’ biv has provided shelter for deer cullers and trampers for 40 years. For some it has been a convenient spot for lunch on the exposed hop over the saddle between the huts of the Upper Toaroha and Mungo valleys, while for others it may have been a lifesaving shelter in stormy weather. 

This two-person bivouac has the honour of being the last biv built in Westland by the New Zealand Forest Service, but it’s just one backcountry hut of many in the region. The Toaroha Circuit (48km, Toaroha Valley – Mungo Valley – Frew Saddle – Whitcombe Valley) is the most common way to access this biv, and this popular backcountry traverse is well appointed with huts and bivouacs every few hours, or less, along its length. It’s a spectacular route, with rough tracks, bouldery river travel and exposed tops crossings linking two scenic saddles between the Toaroha and Whitcombe valleys. It’s the perfect introduction to the challenges of multi-day trips within Central Westland’s rugged terrain.   

There are more options to reach Toaroha Saddle Bivouac, as it lies at the nexus of other more challenging routes. This includes the Diedrichs and Toaroha ranges, which have multiple route possibilities accessing a number of other relatively remote huts, as well as the high route to Mungo Hut.    

November 2025

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November 2025

Distance
48.8km for the circuit
Total Ascent
3315m for the circuit
Grade
Difficult
Time
4–5 days for the classic Toaroha Circuit, or 10–12hr directly to the biv via Toaroha Valley
Accom.
Toaroha Saddle Biv (basic, two bunks). Multiple others on the circuit.
Access
Either Whitcombe Valley Road or Middlebranch Road, Kokatahi
Map
BV18, BV19

GPX File

Toaroha Circuit (gpx, 127 KB)

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Mark Watson

About the author

Mark Watson

Wilderness gear editor Mark Watson divides his workdays between graphic design, writing and photography. His passion for tramping, climbing, cycling and storytelling has taken him all over Aotearoa and the world in search of great trails, perfect moves and epic light. He has published four books and his photographs have featured in numerous publications. Especially motivated by long distance travel, he has tramped Te Araroa and cycled from Alaska to Tierra del Fuego.

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