A balcony over the Mueller Glacier with Aoraki, Sefton and avalanching ice all around

The line through Aoraki/Mount Cook NP, New Zealand - waypoints, elevation and the day-by-day shape of the walk.
Nov-Apr (snow-free); an alpine route in winter
Exposed alpine weather - sudden storms, wind, cold and snow possible; check the forecast and carry a PLB
Best Nov-Apr; snow/ice makes it mountaineering otherwise. Confirm.
The Sealy Tarns stairs (~2,200 steps) then a marked scree/rock route to the hut
Non-technical walking/hiking; confirm any exposed or scrambly sections locally
Marked/waymarked route; navigation generally straightforward - carry a map and confirm locally
Suitable for reasonably fit hikers; not wheelchair accessible - confirm specifics
Kea (alpine parrot - will raid packs/cars), NZ robins, tomtits
Popular; hut-gated
Turn around at Sealy Tarns (see HK-NZ-0033)
White Horse Hill, Mount Cook Village
Out-and-back/loop - no shuttle needed
Mueller Hut (booked, gas, ranger in season) for overnights
Day-hike kit, water, sun/rain protection, sturdy footwear; coverage varies
Services in Mount Cook Village; limited or none on the trail
Not required; self-guided
DOC Mueller Hut booking required in season; Aoraki/Mt Cook NP. Confirm.
Permits and operators change - confirm before booking.
Steep scree, snow/ice, rockfall, alpine weather
Retrace the route to exit; dial local emergency services; carry a means of calling for help where remote
This profile is desk research, compiled from public sources - not a first-hand trail report. Coordinates are approximate.