Complex sentence: Yoke's most interesting topographic feature is Rainsborrow Crag on the Kentmere side of the fell, this is a 300 metre precipice which falls away to the valley floor, the crags have attracted top rock climbers.
Split into simpler sentences: Yoke's most interesting topographic feature is Rainsborrow Crag on the Kentmere side of the fell. This is a 300 metre precipice which falls away to the valley floor; the crags have attracted top rock climbers.