The $100,000 donation will help pay for new brain cancer nurses for the New England, according to charity founder and former NRL champion Mark Hughes.

"Charlie's an extremely special person. There should be more people in the world like Charlie. And I think that sums it up," he said.

"I would say he's making a genuine difference; he's pushed us over the goal that we needed to make for this trek.

"And he's affecting a lot of people because I think his donation will inspire people to donate to us; they look at it and say if that guy can do that maybe we can put in $200."

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Mr Hughes, a former Newcastle Knights player, is currently climbing Mt Kilimanjaro as part of a fundraising campaign to pay for a new brain care coordinator to cover the North West.

He founded the charity after his 2013 brain cancer diagnosis and lengthy battle with the disease.

Charlie Sutton's donation matches another $100,000 donation he made last year; both are the largest ever given by an individual to the cause.

"I had to give the money away because I've accumulated a bit too much in my time!" said Mr Sutton.

He rates the Mark Hughes Foundation highly because it is largely run by volunteers and spends almost its entire takings on the cause, rather than its own bureaucracy.

Will Charlie give more in the future?

"Depends on how the share market goes I suppose," he joked.

The former premiership-winner visited Glen Innes with

"Charlie's an extremely special person. The main theme was there should be more people in the world like Charlie. And I think that sums it up."

"He's worked hard, he's done well and now he wants to give back."

Mr Hughes visited Glen Innes with NRL legend Paul 'the Chief' Harragon to thank Charlie for the gift.

The organisation also funds research into brain cancer, with a lot of the work done at the Hunter Medical Research Institute in Newcastle.

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