18/09/2026
Today would have been Peter Harrison’s 100th birthday.
Peter’s life was closely entwined with the history of Treak Cliff Cavern, continuing a family connection that would span generations.
Peter’s father, Harold Harrison, took over the running of the cavern, and from a young age Peter became involved in its day-to-day management. Peter helped run the cavern, welcoming visitors into the fascinating underground world beneath Treak Cliff.
In those early years, Peter was not simply learning about the cavern he was becoming part of its history. He grew up with its passages, chambers and mineral treasures around him, gaining an intimate knowledge of the cave and the traditions that surrounded it.
For generations of visitors, Treak Cliff Cavern became a place of discovery: a chance to descend beneath the Derbyshire landscape and experience its extraordinary geology and mineral wealth. Peter played an important role in preserving that experience and passing on his knowledge and enthusiasm to those who came through the cavern.
But Peter’s legacy was about far more than the cavern. He was a friend to anyone and everyone, and was widely loved throughout the village of Castleton. His warmth, kindness and easy friendship meant that he was known and remembered with affection by so many in the community. Whether welcoming visitors to Treak Cliff or simply sharing a conversation around the village, Peter had a way of making people feel at home.
His story is now inseparable from the story of Treak Cliff and from the wider history of Castleton. The years he spent working in the cavern, the people he worked alongside, and the countless visitors and friends he welcomed along the way form an important and much-loved chapter in the history of this special place.
On what would have been his 100th birthday, we remember Peter with affection and gratitude.
A life lived with Treak Cliff Cavern at its heart, a friend to so many, and a much-loved part of Castleton’s history.
#100
