King Charles is planning a ‘full programme’ of overseas tours next year following a new vote of confidence in his health from his doctors.

The monarch, 75, who is still undergoing cancer treatment, is said to have felt ‘lifted’ by his trip to Australia and Samoa, where he carried out up to ten engagements a day.

And sources close to Charles, who paused treatment to undertake the 30,000-mile, 11-day round-trip, have explained it was all part of his ‘mind, body and soul’ approach to his cancer battle.

This attitude is one reason, they say, he has insisted on continuing his work since being diagnosed with an undisclosed form of the disease in February, despite the gruelling physical toll of his illness.

Aides say Charles has allowed his doctors to concentrate on healing his body, while he has focused on his mental strength in dealing with such a ‘striking’ and unexpected blow, determined to keep his mind ‘in the right state’.

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Buckingham Palace also issued new photos of King Charles and Queen Camilla enjoying a beach walk in Samoa, looking joyful and relaxed.

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King Charles III and Queen Camilla smile during a visit to a beach in Apia, Samoa

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King Charles III and Queen Camilla during a farewell ceremony at Siumu Village on the final day of the royal visit to Australia and Samoa

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King Charles holds a bowl during a ceremony at Siumu Village, Samoa on October 26

They also revealed:

Charles had red boxes of official papers flown Down Under to work on once he has concluded his busy days of engagements
 At Queen Camilla’s urging, he has been taking some down time by reading a ‘great’ new book;
 The King feels closer to his wife than ever. The couple are a ‘remarkable unit’, courtiers say, and she has kept it ‘real’ for him;
While his cancer diagnosis came as a huge shock, Charles decided almost immediately to try to turn it into a force for good, sharing his story with millions of other sufferers and taking ‘comfort’ from their support;
His Australia and Samoa tour was seen by Buckingham Palace as a huge test of his reign – and surpassed all expectations, possibly putting the republican cause Down Under back by a generation;
The protest by an indigenous Australian in parliament left him unbothered. ‘He’s seen it all.’

So where will Charles go next?

News that King Charles is planning more overseas tours begs the question: where next?

Aides will be looking to the 14 Commonwealth realms where Charles is head of state, which include Canada, Jamaica and New Zealand, which were dropped from this tour due to the King’s health.

Charles was rumoured to be planning a spring tour to Canada last year, prior to his diagnosis, so this is likely to top the list.

William and Catherine visited the realms of Belize, Jamaica and the Bahamas in 2022 on behalf of the late Queen, but the tour was overshadowed by protests and PR missteps.

There is a constitutional need for the King to visit countries where he is head of state, and there will be motivations to quell stirrings of independence, especially after Barbados became a republic in 2021.

Away from the realms, Buckingham Palace must also act on government advice. Since Charles ascended to the throne, diplomats have prioritised post-Brexit trade relations with Europe. Notably, his first overseas tours as monarch were to France and Germany.

Government priorities also influenced recent state visits in London from South Africa, South Korea and Japan, with a visit from Qatar in December.

But while his treatment is ongoing and he approaches his 76th birthday, flying long-haul will be a significant undertaking.

The positive health news comes as Charles and Camilla concluded their trip by hosting a ‘King’s Dinner’ for the Commonwealth Heads of Government Meeting in Samoa, followed by a visit to a village to thank locals for their hospitality.

Buckingham Palace also issued new photos of the royal couple enjoying a beach walk, looking joyful and relaxed.

When the possibility of undertaking a tour within just eight months of being diagnosed with cancer was first raised earlier this year, staff were not sure how the King would react.

Typically, however, they said the answer wasn’t ‘how dare you?’ but ‘why can’t I do New Zealand as well?’ A source said: ‘He didn’t even hesitate. We had to hold him back.’

A palace official said yesterday: ‘It’s great testament to the King’s devotion to service and duty that he was prepared to come this far and he was incredibly happy and very, very determined to do so.’

As for the volume of engagements he took on each day, despite his evenings being kept free to recuperate, they made clear he had been bouyed by the challenge.

‘It is a great measure of the way the King is dealing with the diagnosis,’ they said. ‘He’s a great believer in mind, body and soul.

‘It is hard to overstate the joy he takes from duty and service and being in public and seeing those crowds. That really lifts the spirits. You can see that.’

Aides have told this newspaper about the deep concerns privately expressed about how the King’s visit to Australia, the first to any of his realms as monarch, would be greeted.

 ‘There was a lot to play for, it was massively important to us,’ they added. ‘A new King, a new reign and a new world.’

Having Camilla, 77, with him, helped immeasurably. A senior royal aide described the couple as a ‘remarkable unit’, adding: ‘The King gets great strength from the Queen being there, not least because she keeps it real.’

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King Charles III and Queen Camilla wave as they board an Royal Australian Air Force plane ahead of departing from Faleolo International Airport in Samoa

Charles and Camilla enjoy a traditional ceremony in the rain in Samoa

Charles was so buoyed by the past week – as were his doctors – that he is looking at a return to normality next year. ‘We’re now working on a pretty normal-looking full overseas tour programme for next year,’ a senior royal official said, suggesting that the traditional spring and autumn tours will be back on the cards. Canada is likely to be high on their list. Of course, every decision made will be subject to discussion with the government, his ongoing treatment – the duration of which has not been revealed – and, ultimately, a sign-off by his doctors.

But sources say the future is ‘bright’, which could not always be said to have been the case after the King was diagnosed earlier this year.

After the initial shock of such a ‘striking’ diagnosis, he realised ‘in a heartbeat’ how much he had in common with so many millions of people in the UK and across the Commonwealth.

It’s been a huge source of strength, they say, for him to talk to others about their shared experiences. And he hopes others have taken comfort from the fact that even ‘a king can get cancer’.