A through trip down Simpson Pot and out of the Valley Entrance of Kingsdale Master Cave. Filmed over a dozen trips, it features cavers from the Happy Wanderers Cave and Pothole Club. It was commissioned by BBC Leeds, and was first broadcast on BBC One in October 1972.
Sid Perou
Director
Bill Grundy
Writer
Bill Grundy
Narrator (voice)
Jack Pickup
Leslie Alvinson
John Shepherd
John Russom
Dave Cobley
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