Arriving at the Big Cairn (GPS coords UTM: 33T 0411542, 5282881) which is on the Tunnocks path, we followed the 2005 instructions and veered left on an alleged heading towards the fabled caves 2004-18, 17, and 16 . Directly off the Tunnocks path we got distracted as we came upon 3 shafts which were not on the GPS catalogue: we named them 2018-PF-01 (which we tagged; see our survey of the same day), 2018-PF-02 (which we tagged the next day with Wookey; undescended),