A small draughting hole, marked with a cairn, just below the path to 415, before Pants and below 1682?. A drop of a metre shows a noisy, draughting 15cm diameter tube to a rift. It would probably be easier to dig down to the rift from the surface.

References: anon., 2017c (summer logbook)
Entrance pictures :
Underground pictures :
Video :
Detailed survey :
Line Survey :
On area survey :
Survex file :