They say more time in the day is needed to allow visitors to enjoy everything it has to offer.
A new vision for the area also recommends closing the airstrip.
"To be able to dive it and actually record that part of history is just a huge honour."
"I wouldn't recommend that anyone skates it unless they're really experienced."
A crash in the price of wild venison and the arrival of COVID-19 threatened to waste hundreds of animals.
A report has found insufficient planning and fading light also contributed to the collision.
"I was a non-believer that there were any moose left in Fiordland until now."
And it's not the only Great Walk in Fiordland that's being closed.
Almost 200 tourists remain trapped.