Catherine completed the Three Peaks Challenge to ‘explore life beyond’ a cancer diagnosis.

Catherine, Princess of Wales, completed the Three Peaks Challenge in aid of the hospital where she was treated for cancer, describing it as “a chance to explore life beyond diagnosis and give something back”.

She completed the endurance event, which saw her climb the highest peaks in England, Scotland and Wales over 24 hours to raise money for the Royal Marsden Cancer Charity.

She explained that she was the princess Cancer treatment She said she will be on parole in March 2024, and early 2025.

On Sunday, she said she wants to support comprehensive health care for people with cancer, calling it a way to “enhance safety, resilience and quality of life during a particularly difficult time.”

Alongside a picture of herself at the top of Ben Nevis, she wrote on social media: “Cancer is not just about the body.

“It changes the way you think and feel and has a profound effect on all aspects of life.

“I know this personally, and the medical and non-medical journey requires more than medicine.”

She continued: “Through this challenge I want to raise awareness of the profound impact of chronic illness and the importance of holistic health care.

“Every individual is different, and ensuring a whole-person approach to care allows people living with cancer to manage the deeply personal challenges of diagnosis.

“Multidisciplinary therapies complement clinical pathways and support patients’ ability to maintain their well-being, resilience and quality of life during a particularly difficult time.”

After the test in Wales, the Princess was joined by family members including the Prince of Wales, her three children, George, Charlotte and Louis, her parents, Carole and Michael Middleton, and her brother James.

The princess described it as a “huge shock” when she announced her cancer diagnosis, adding that she had “had an amazing two months”.

The details of her cancer were not disclosed, but Kensington Palace said at the time that it was confident the princess would make a full recovery.

Almost a year later, she expressed her “relief” in announcing that she was on parole. She has since returned to royal duties.

This weekend she climbed Scafell Pike in England, Ben Nevis in Scotland and Snowden (Yar Wydfa) in Wales.

The Royal Marsden Cancer Charity has launched a fundraising page for the Princess Walk, which it says will “support more people with cancer to benefit from comprehensive care”.

Dame Callie Palmer, chief executive of the Royal Marsden NHS Foundation Trust, said she was “honoured” to have the Prince and Princess of Wales as joint patrons.

She continued: “The Princess’s commitment to The Royal Marsden stems from a deep empathy for those facing similar challenges, and we are extremely grateful for this generous support, which will be life-changing for so many cancer patients and their families.”