It was on returning from surveying his sheep on Goat Fell one rainy October evening in 627AD that Ragnar Olafson stumbled and went head over heels down a rocky stream bed, resulting in multiple lacerations and contousions. Mrs Olafson, one Ulrica Magnusdotter, took one look at him and asked what had happened.

"Fell walking"

Was his terse reply. Thereby explaining his injuries and inventing a pastime to be enjoyed by people for many years to come...

:D (eG)