John Wells (45) and Kristina Sefleriene (25) will be pushing themselves to the absolute limit as they attempt to walk to the base camp at Mount Everest.
The couple will battle the elements for 15 days in November as they make the 62km walk up to one of the most dangerous mountain regions – all in the name of charity.
The walk is to raise money for Falkirk and District Association for Mental Health (FDAMH) as it has helped both John and Kristina through difficult times in the past.
John was the only survivor of a road accident that killed five people and the charity was able to help his recovery.
John said: “They were amazing at helping me get back on track following the accident which left me suffering from post traumatic stress disorder.”
The couple have been climbing Munros at the weekend to help prepare them for what lies ahead.
John said: “We climbed Ben Nevis and then another Munro the next day so we could get a feeling of what it will be liketo walk upto nine hours a day.
“You have to walk at a slow pace as your body is battling against the conditions.”
The couple have raised hundreds so far for FADMH and plan to collect more with a stall at Bonnybridge fun day this weekend.
To donate to their mammoth trek visit mydonate.bt.com/fundraisers/trekkinghimalayasforfdamh.