Many of these routes became classics, including Grey Arete, Glyder Fawr, Meshach and The Plum at Tremadog.
James played a pivotal role in setting up Ogwen Cottage as an outdoor pursuits centre.
He was an honorary member of the team and in 1971 was awarded a Certificate for Distinguished Service in Mountain Rescue.
In the 2009 Queens Birthday Honours list he was awarded the Order of the British Empire for services to mountaineering.
In 1974 Ron was involved in the production of the 10 programmes BBC TV series "Rockface", an instructional guide to rock climbing.