Upper Flood Swallet, Natural limestone cave in Mendip Hills, England
Upper Flood Swallet extends over 3.5 kilometers through limestone formations, reaching depths of 125 meters beneath the Somerset landscape.
The entrance to this geological formation emerged during the significant flooding events of 1968, leading to multiple exploration breakthroughs between 1971 and 2006.
The Mendip Caving Group maintains and documents the cave system, contributing to scientific understanding of underground limestone formations in southern England.
Access requires advanced registration with the Mendip Caving Group, with visits limited to three participants plus a designated leader for safety purposes.
The 2006 excavation of a boulder passage resulted in the discovery of 1.2 kilometers of decorated cave sections with distinct geological formations.
GPS coordinates: 51.29880,-2.71037
Latest update: March 23, 2025 18:44
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