Months after announcing she was in remission, Princess Catherine completed the Three Peaks Challenge across England, Scotland and Wales. The fundraiser aims to support holistic cancer care at the hospital where she received treatment.

Princess Catherine, the Princess of Wales, has completed one of the UK's toughest endurance challenges, climbing the highest peaks in England, Scotland and Wales within 24 hours. But for her, the journey was about much more than reaching three summits.

The challenge was organised to raise money for the Royal Marsden Cancer Charity, the charitable arm of the hospital where Catherine underwent treatment after revealing her cancer diagnosis in 2024. Earlier this year, she shared that she was in remission and had gradually returned to public duties.

The demanding route included Scafell Pike in England, Ben Nevis in Scotland and Snowdon, also known as Yr Wyddfa, in Wales. After completing the final climb, Catherine was welcomed by Prince William, their children Prince George, Princess Charlotte and Prince Louis, along with her parents Carole and Michael Middleton and brother James Middleton.

Reflecting on the experience, Catherine said the challenge gave her "a chance to explore life beyond diagnosis and to give something back."

She also opened up about how cancer affects far more than physical health.

"Cancer doesn't just affect the body."

The Princess added that the illness changes "how you think and feel" and touches "every aspect of life," something she now understands from personal experience.

She explained that recovery is not only about medical treatment but also about finding emotional strength and rebuilding everyday life after a diagnosis.

According to Catherine, every person's experience with cancer is different. That is why she believes patients should receive care that looks beyond treatment alone and focuses on their overall wellbeing.

She used the fundraiser to highlight the importance of holistic healthcare, saying therapies that support emotional, mental, social and physical wellbeing can work alongside clinical treatment to help people cope with the challenges of cancer.

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The Royal Marsden describes holistic care as an approach that supports the whole person by considering emotional, physical, spiritual and social needs in addition to medical care.

The fundraising campaign launched alongside Catherine's challenge will help more cancer patients access these supportive services through the Royal Marsden Cancer Charity.

Catherine first revealed her cancer diagnosis in 2024, describing the news as a "huge shock" after what she called an "incredibly tough couple of months." While the specific type of cancer was never disclosed, Kensington Palace had expressed confidence in her recovery. Around a year later, the Princess announced she was in remission, marking an important milestone in her health journey.

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Now, by completing the Three Peaks Challenge, Catherine has turned a deeply personal chapter into a public effort to support others facing similar battles, using her experience to raise both awareness and funds for comprehensive cancer care.