Uploaded February 2017 | Updated September 2026, 12 hours ago
Pen Park Hole cave system, notified as a SSSI in 2016, was covered by the BBCs Inside Out West programme in February 2017. The SSSI is a great example of a branching (dendritic) hydrothermal cave system and contains a species of shrimp Niphargus kochianus. copyright BBC 2017
Pen Park Hole cave system, notified as a SSSI in 2016, was covered by the BBCs Inside Out West programme in February 2017. The SSSI is a great example of a branching (dendritic) hydrothermal cave system and contains a species of shrimp Niphargus kochianus. copyright BBC 2017










