On Facebook, St John Ambulance Walsall posted: "St John Walsall were saddened to learn of the sudden death of Dr Charlotte Crook.
The opening of the inquest by John Gittins, senior coroner for North Wales East and Central, said that Dr Crook fell on February 16.
Hospital clinician and St John Ambulance volunteer Dr Crook was descending a section of path on her stomach when she appeared to lose her footing.
Another online tribute said: "Dr Charlotte Crook (Charlie) was a promising young doctor.
Dr Charlotte Crook, 30, and her colleague Adam Weatherhogg were walking on the notorious Glyder Fach part of Snowdonia when.