Nurse Trudi Walker has had to master the art of TV camera work at the same time as preparing to scale the highest mountain in Africa.
She is filming her efforts to climb Kilimanjaro in Tanzania in seven days for BBC2 Wales.
The staff nurse with the Pendine Park care organisation in Wrexham is carrying out the walk to raise money for Alzheimer's Disease research.
Ms Walker, 31, has been training for the trek on north Wales mountains.
She chose to raise funds for Alzheimer's because she works with people affected by the disease, and her employers are planning a £3m centre in Wrexham for those with dementia problems.
She has previously enjoyed activities such as rock climbing, white water rafting and sky diving, and has been preparing by climbing Snowdon and Moel Famau.
"Some of the climbs are quite steep, though, of course, it's nothing compared with what I'll be facing," she said.
"We'll be experiencing huge extremes in temperature ¿ from minus 20 at the top to plus 40 at the bottom"
Kilimanjaro, which is the tallest freestanding mountain in the world at 5,895m (19,340ft), is on a different scale, however, and she is aware of the demands of the challenge.
"We'll be experiencing huge extremes in temperature ¿ from minus 20 at the top to plus 40 at the bottom," she said.
She said she hoped she would be able to use the camera properly, although she has had the benefit of advice from a professional.
However, there is a possibility that the camera may not capture the climax of the climb because it is uncertain if it will work fully in extremely cold temperatures.
She has been helped to raise £1,500 for the journey, and she hopes to raise at least £2,900.
"Everyone has been really supportive, not only in helping me to raise the money but also by coming out walking with me," she said.
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