Early morning at Tasman Glacier Terminal Lake, Aoraki Mount Cook National Park

Photographers stand below Plateau Hut, Grand Plateau, Aoraki Mount Cook National Park

Hooker Valley boardwalk below South Face of Aoraki Mount Cook, Aoraki Mount Cook National Park

Tasman Lake and moraine, Tasman Valley, Aoraki Mount Cook National Park

Aoraki Mount Cook from McNulty's Tarns

Sefton Bivouac below the Footstool and Tewaewae Glacier

Sefton Bivouac below the Footstool and Tewaewae Glacier

Sefton Bivouac route, above Muller Lake and hooker Valley. Aoraki Mount Cook National Park

Hooker River, and Aoraki Mount Cook

Aoraki Mount Cook National Park

Boulderer on first ascent of Hop Zombie (V5/6), Hooker Valley, Aoraki Mount Cook National Park.

Lake Pukaki and Southern Alps, Mackenzie Basin

Early morning at Tasman Glacier Terminal Lake, Aoraki Mount Cook National Park

A photographer stands above the Hochstetter Icefall, Grand Plateau

Evening light on South Face of Aoraki Mount Cook and Nazomi

Pre dawn, Tasman Valley & Southern Alps, Glentanner

Dawn at McNultys Tarns. Burnett Mountains (Nuns Veil at left and Mt Blackburn centre). McNulty's Tarns, Mt Sebastopol. Aoraki Mount Cook National Park

Sefton Bivouac below the Footstool and Tewaewae Glacier

Sefton Bivouac below the Footstool and Tewaewae Glacier

Mueller Hut, Sealy Range, Aoraki Mout Cook National Park

Mount Cook Buttercups (ranunculus lyallii), Hooker Valley

Aoraki Mount Cook National Park

Hooker River and East Face of Mount Sefton. Hooker Valley. Aoraki Mount Cook National Park

Aoraki Mount Cook & Lake Pukaki during calm winter evening, Mackenzie Basin, Canterbury

Soft shadows from the setting moon fall across Aoraki Mount Cook while pre dawn light from the east brings a unique half light, Aoraki Mount Cook National Park

Cloud reveals views of South Faces of Aoraki Mount Cook and Nazomi

South Face of Aoraki Mount Cook, Mount Hicks and Nazomi. Hooker Valley, Aoraki Mount Cook National Park

Morning light on East Face of Mount Sefton and Tuckett Glacier

Early morning cloud reflected in a tarn, Mount Sebastopol, Aoraki Mount Cook National Park

Hooker Valley and Mueller Glacier and Lake from Sefton Bivouac. Sealy Range on right

Sefton Bivouac below the Footstool and Tewaewae Glacier

Mueller Hut, Sealy Range, Aoraki Mout Cook National Park

Aoraki Mount Cook National Park

Aoraki Mount Cook National Park

Mini ice bergs on the shore of the Tasman Glacier Terminal Lake. Tasman Valley, Aoraki Mount Cook National Park

Southern Alps & Lake Pukaki during calm winter evening, Mackenzie Basin, Canterbury

The light of the full moon illuminates the Grand Plateau and East Face of Aoraki Mount Cook, Aoraki Mount Cook National Park

Mueller Lake and Hooker Valley with Aoraki Mount Cook at its head, Aoraki Mount Cook National Park

First bridge, Hooker Valley

Snow tussock at McNultys Tarns with Aoraki Mount Cook beyond. Mount Sebastopol

Dawn at McNulty's Tarns

Mueller Glacier Lake, Hooker Valley, Mount Cook Village and Sealy Range from Sefton Bivouac

Sefton Bivouac below the Footstool and Tewaewae Glacier

Mueller Hut, Mount Sefton and Aoraki Mount Cook, Main Divide and Sealy Range from Mount Ollivier

Aoraki Mount Cook National Park

Boulderer climbing Dude Incredible (SS), Hooker Valley, Aoraki Mount Cook National Park

Lenticular cloud over Lake Pukaki & Aoraki Mount Cook, Canterbury

Late afternoon in the Hooker Valley, Hooker River and Aoraki Mount Cook, Canterbury

Plateau Hut perches on the edge of the Grand Plateau, below the east face of Aoraki Mount Cook, Aoraki Mount Cook National Park

Hooker River & Aoraki Mount Cook, Aoraki Mount Cook National Park

East Faces of Mount Sefton and The Footstool above Whitehorse Hill and lower Sealy Range. Main Divide, Aoraki Mount Cook National Park

Morning light on East Face of Mount Sefton and Tuckett Glacier

Mount Wakefield and South Face of Aoraki Mount Cook

Lower Hooker Valley and Sealy Range (right) from Sefton Bivouac

Sefton Bivouac route, above Muller Lake and hooker Valley. Aoraki Mount Cook National Park

Mueller Hut, Sealy Range, with Mount Sefton, The Footstool and Aoraki Mount Cook above Hooker Valley

Aoraki Mount Cook National Park

Boulderer on Sine Wave (V3), Hooker River, Hooker Valley, Aoraki Mount Cook National Park

Lenticular cloud over Lake Pukaki & Aoraki Mount Cook, Canterbury

Man bouldering on compression problem (V6/7), Hooker Valley, Aoraki Mount Cook National Park