Number 85 in Burstall’s Great Trees of New New Zealand [1], this tree apparently made the list not on size - it is not even the largest southern rātā on the trail to the tree, and dwarfed by discoveries in 2022 [2] - but on form: Southern rātā is usually terrestrial – however this example started as a epiphyte in a kāmahi tree, gradually encasing the kāmahi as the rātā grew up and away from the kāmahi.

The tree is located on the Moraine Walk, a reasonably short thirty minute loop track on the southern (now main) access track to the Fox glacier. Around halfway along the loop track, in an older section of rātā/kāmahi forest with the odd podocarp, well before the 1600 AD terminal moraine of the glacier. On ground uncovered by the retreating glacier, past the 1750 terminal moraine at the southern end of the Moraine Walk, a young forest of almost pure rātā has grown, with tall, narrow trunks (Smillie, M.J., 2023)

References:
1. S.W. Burstall and E.V. Sale, Great Trees of New Zealand, 1984
2. Forest and Bird, Giant Discovery, accessed January 2023