Esther Dingley could have fallen after being caught out by a snow-covered mountain path in the Pyrenees
Keeper of the Venasque refuge said she could have been caught off guard on Spanish face of the mountains
Ms Dingley, 37, was planning to cross back into Spain before she went missing on November 22 last year
Possible human remains including a skull were found last Friday near where she was last seen alive
Wild animals moved human remains linked to missing British hiker Esther Dingley, police believe dailymail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailymail.co.uk Daily Mail and Mail on Sunday newspapers.