She appeared deep in thought as she walked through the fields, taking in the fresh spring air after a rainy weekend.
It is believed she was riding her beloved black Fell pony, Carltonlima Emma.
The Queen was well prepared for any spring showers in a lightweight waterproof, which she paired with some palejodphurs and brown leather riding boots.
As is her preference, the Queen opted to wear a silk scarf around her chin, rather than a helmet.
Her Majesty is famous for her love of horses and first found herself in the saddle at the age of four after being presented with a Shetland pony, named Peggy.
Since then the royal stables have been home to a succession of steeds, among them Betsy, a black farm-bred horse who was her mount of choice in the 50's, and Surprise, a grey gelding whom the Queen famously galloped down the course at Ascot in 1961.
Recent years have seen her cut down on the amount of time she spends in the saddle but she still takes a keen interest in all her horses and ponies.
She also remains a familiar sight at the Windsor Castle stables and regularly rides in the park, often accompanied by Mr Pendry.
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