IT'S called "Hell on Wheels" for a very good reason.
Imagine riding your mountain bike for eight days straight, travelling 600km on dusty, unsealed roads, fire trails and over creeks.
That's what 40 dedicated riders will set out to do this morning, and it's all for a good cause.
The annual Hell on Wheels cycle tour is a major fundraiser for the Westpac Life Saver Rescue Helicopter.
This year the tour starts in Tenterfield.
From there the group will ride to Drake, through Baryugil and into Copmanhurst, across to Jackadgery, to Nymboida and back up through Grafton and Lawrence before passing through Maclean and Evans Head and across the finish line at Lismore.
The goal? To raise more than $40,000 for the rescue helicopter.
Fundraising manager Zeke Huish said the riders will have regular nightly stops at local hotels throughout the region.
"So if you see them in their bright blue rider shirts, feel free to offer your support as they look to raise vital funds to help the Westpac Life Saver Rescue Helicopter save lives in our region," he said.
"It's hard not to marvel at the determination and gutsy effort that the riders display in by taking part in this gruelling event.
"We wish the riders a safe trip as they enjoy the comradery of their fellow riders."