Id letter: 'a'
Boulder Block Cave - shaft entrance to NW
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Marking
Unmarked
Findability
Coordinates
Underground
Climb down an open canyon to reach the base of an open shaft. From here a straight, horizontal phreatic passage leads off, starting 3m wide x 1m high but reducing over around 15m to a second entrance. This is nearly blocked by a large boulder in the middle of the 1.5x wide x 0.5m high entrance