A small, boulder-filled rift which, the farmer says, emits copious quantities of water in flood conditions. This, possibly, is when resurgences 4893 and 4894 back up. Unless it's a completely separate cave.
References: anon., 2019b (Easter logbook)
Entrance pictures : April 2019
Underground pictures :
Detailed survey : pdf, April 2019
Line Survey :
On area survey :
Survex file : April 2019