Tasman Glacier walk: the free track, the flights and the ice itself

The Tasman Glacier is the longest glacier in New Zealand, and the way people meet it splits cleanly into three. Knowing which one you are buying is most of the decision, because the prices are not close together and neither are the experiences.

From the valley floor, free. The Tasman Valley road runs from Mount Cook Village to a car park, and from there a marked track climbs to a lookout above the terminal lake. This is the walk that most visitors mean when they search for a Tasman Glacier walk. It costs nothing, it needs no guide and no booking, and it gives you the ice front, the lake and the icebergs in one view. What it does not give you is the surface of the glacier: between the lookout and the ice lie the lake and the moraine, and there is no ground route across them.

From the air, with a landing. Six of the eleven listings here are flights, and most of them touch down on snow. The shortest is 25 minutes at $217 and carries 517 reviews at 4.7 — more than any other trip on this page. The longest crosses the main divide to the West Coast in 50 minutes at $477. A landing on a snowfield is not the same as walking on the glacier tongue, and the listings are honest about that: you step out, you stand on snow, you photograph mountains most people only see on a postcard, and you fly on.

On the ice, on foot. Two trips put you on the glacier with crampons and a guide, both three hours door to door, both flown in by helicopter. The one with the most reviews is $540 with 260 ratings at 4.8 and two of those three hours spent walking. Its companion at $514 carries 328 reviews at 4.9 and includes the crampons and guiding in the same way. A third version runs as a full day out of Queenstown at $1,029, flying you across the Southern Alps by plane before the helicopter transfer onto the ice.

The cheapest listing on this page is the one-way transfer from Christchurch at $129, and the most expensive is the Queenstown day at $1,029. That is an eightfold spread, and it is worth understanding what sits behind it before the numbers do your thinking for you.

Flights are priced by minutes in the air: $217 for 25 minutes with a landing, $277 for 30, $363 for 40 over the glacier and the park, $477 for 50 across to the West Coast. The cost per hour barely moves, which tells you the helicopter is the cost and the route is the choice.

Ice walks are priced differently. The fare covers the helicopter both ways, the crampons, the guide and the hours on the glacier, and the two listings sit close together at $514 and $540. Per hour that is cheaper than most of the flights, because you are buying a morning rather than a lap of the valley.

The long days from other towns are a different purchase again. Thirteen hours from Christchurch at $200 is mostly road, and the glacier is the turning point rather than the whole content. The Queenstown day at $1,029 is priced as a day out rather than an activity.

Everything starts at Mount Cook Village. The flights, the ice walks and the Tasman Valley road all run from the village, the only settlement inside the park. The eight-hour transfer from Christchurch at $129 exists because that drive is long enough to be a trip in its own right.

Weather moves flights, not the track. Flights and ice walks depend on a window, and the operators book them in the morning for that reason. Put the ice walk on your first available morning and keep the free track as the fallback.

Free cancellation appears on some listings, not all. Where it is offered it is listed on the booking page, and on a trip that depends on the weather it is worth having.

Ratings here are unusually high. Across eleven listings the average sits above 4.7, and the two trips with the most ratings — the 25-minute flight at 517 and the ice walk at 260 — are both in that band.