Rob Brown / Sunset on beach, Kahurangi National Park, New Zealand

Andy Trowbridge / Fly fisherman (Paul van Klink) 'sight' fishing to brown trout (Salmo trutta) in a gin clear 'backcountry' river, Ugly River, Kahurangi National Park, Buller District, South Island, New Zealand. Decemb...

Andy Trowbridge / Fly fisherman (Paul van Klink) hooking a lively brown trout (Salmo trutta) in a clear 'backcountry' river, Ugly River, Kahurangi National Park, Buller District, South Island, New Zealand. December, 20...

Andy Trowbridge / Fly fisherman (Paul van Klink) playing a lively brown trout (Salmo trutta) in a clear 'backcountry' river, Ugly River, Kahurangi National Park, Buller District, South Island, New Zealand. December, 20...

Andy Trowbridge / Fly fisherman (Paul van Klink) casting a fly to a sighted brown trout (Salmo trutta) in a gin clear 'backcountry' river, Ugly River, Kahurangi National Park, Buller District, South Island, New Zealand...

Andy Trowbridge / Western Weka (Gallirallus australis australis) foraging for food, Oparara River, Kahurangi National Park, Buller District, South Island, New Zealand. December. Vulnerable species.

Andy Trowbridge / Fly fisherman (Paul van Klink) drifting a fly pass a brown trout (Salmo trutta) in a gin clear 'backcountry' river, Ugly River, Kahurangi National Park, Buller District, South Island, New Zealand. Dec...

Andy Trowbridge / Lake Elmer, Domett Range at the head of the Ugly River Valley. Designated Wilderness Area. Lake Elmer, Kahurangi National Park, Buller District, West Coast, New Zealand. December, 2005.

Andy Trowbridge / Limestone Arch on the Oparara River known as 'Moria Gate'. The Oparara river system has been sculpting the limestone into an intriguing complex of caves, arches and channels for millions of years Opa...

Andy Trowbridge / Giant land snail (Powelliphanta spp.) on wet moss, Oparara River, Kahurangi National Park, Buller District, South Island, New Zealand. January, 2006.

Andy Trowbridge / Nelson Cave Spider (Spelungula cavernicola) covered in dew, sitting on empty egg sack, Oparara River, Kahurangi National Park, Buller District, South Island, New Zealand. January.

Andy Trowbridge / South Island Robin (Petroica australis australis) perched on stump, Kohaihai River, Kahurangi National Park, South Island, New Zealand. January.

Rob Brown / Coastline, Kahurangi National Park, New Zealand

Rob Brown / Moria Gate Arch, Oparara Valley, Kahurangi National Park, New Zealand

Colin Monteath / Oparara River near Oparara Basin Arches, Kahurangi National Park, Karamea, New Zealand

Colin Monteath / Moria Gate Arch with limestone stalagtites on roof, swollen Oparara River, Kahurangi National Park, near Karamea, New Zealand

Colin Monteath / Nikau (Rhopalostylis sapida) palm fruiting body near Karamea, Kahurangi National Park, New Zealand

Colin Monteath / Stream stained brown by organic matter with overhanging ferns, Oparara Basin Arches, Kahurangi National Park, Karamea, New Zealand

Colin Monteath / Limestone boulders in Oparara River stained brown with organic matter, Oparara Basin Arches, Kahurangi National Park, near Karamea, New Zealand

Colin Monteath / Stream stained brown by organic matter with overhanging ferns, Oparara Basin Arches, Kahurangi National Park, Karamea, New Zealand

Colin Monteath / Moria Gate Arch with limestone stalagtites on roof and swollen Oparara River, near Karamea, Kahurangi National Park, New Zealand

Colin Monteath / Moria Gate Arch with limestone stalagtites on roof and tourist watching swollen Oparara River, Kahurangi National Park, near Karamea, New Zealand

Colin Monteath / Moria Gate Arch with limestone stalagtites on roof and tourist watching swollen Oparara River, Kahurangi National Park, near Karamea, New Zealand

Rob Brown / Gossamer-winged Butterfly (Lycaenidae) in Mountain Buttercup, Mount Owen, Kahurangi National Park, New Zealand

Steve Baker / Blue Duck (Hymenolaimus malacorhynchos) standing on rock in stream, endangered, Kahurangi National Park, New Zealand

Shaun Barnett / South Island Edelweiss (Leucogenes grandiceps) in bloom, Kahurangi National Park, New Zealand

Nick Groves / Kohaihai Bluff from Boulder Beach to the north, Heaphy Track, Kahurangi National Park, New Zealand

Nick Groves / Nikau (Rhopalostylis sapida) palm trees lining Heaphy Track, Kahurangi National Park, New Zealand

Yva Momatiuk & John Eastcott / High tide surf spreading foam on golden beach in Kahurangi National Park, Pacific Ocean in evening, winter, Westland, South Island, New Zealand

Yva Momatiuk & John Eastcott / High tide surf spreading foam on golden beach in Kahurangi National Park, Pacific Ocean in evening, winter, Westland, South Island, New Zealand

Yva Momatiuk & John Eastcott / High tide surf spreading foam on golden beach in Kahurangi National Park, Pacific Ocean in evening, winter, Westland, South Island, New Zealand

Colin Monteath / Campsite on tarn amongst limestone formations on Mt Owen, Kahurangi National Park, New Zealand

Colin Monteath / Campsite on tarn amongst limestone formations on Mt Owen, Kahurangi National Park, New Zealand

Colin Monteath / Tarn amongst limestone formations on Mt Owen, Kahurangi National Park, New Zealand

Colin Monteath / Beard Lichen (Usnea sp) in Beech tree branches on Mt Owen Track, Kahurangi National Park, New Zealand

Colin Monteath / Eyebright (Euphrasia sp) and Buttercup (Ranunculus sp), Kahurangi National Park, New Zealand

Colin Monteath / Hiker beside tarn amongst limestone formations on Mt Owen, 12,928 feet elevation, Kahurangi National Park, New Zealand

Tui De Roy / Maori Onion (Bulbinella hookeri) cluster in full summer bloom, Cobb Valley, Kahurangi National Park, South Island, New Zealand

Rob Brown / Mount Owen, Kahurangi National Park, New Zealand

Rob Brown / Spring snowfall, Kahurangi National Park, New Zealand

Colin Monteath / Oparara Basin Arches with limestone boulders in Oparara River, Kahurangi National Park, near Karamea, New Zealand

Yva Momatiuk & John Eastcott / High tide surf spreading foam on golden beach in Kahurangi National Park, Pacific Ocean in evening, winter, Westland, South Island, New Zealand