A marvelous portrayal of a key event in British caving, and of the adventurous spirit of the two cavers famous for their numerous cave diving breakthroughs and records. Documenting a world record-breaking cave dive of 6,000 ft (1,800 m) made by Geoff Yeadon and Oliver Statham from West Kingsdale Master Cave, in North Yorkshire, England to Keld Head.
| Release Date | February 21, 1979 | |
|---|---|---|
| Status | Released | |
| Original Title | The Underground Eiger | |
| Runtime | 50min | |
| Budget | — | |
| Revenue | — | |
| Language | — | |
| Original Language | English | |
| Production Countries | — | |
| Production Companies | Yorkshire Television | |