In reply to Andypeak:
Did it in 1984 linking together the long distance paths.
Snowdon
Cambrian Way, Glyndwr's Way, Offas Dyke, Maelor Link, South Cheshire Way, Cestrian Link, Pennine Way, Coast to Coast
Scafell Pike
Cumbria Way, Hadrians Wall Walk, Pennine Way, Hamish Brown's route to Glasgow, West Highland Way
Ben Nevis
Enjoy it is a great route if you have a free summer like I did back than...
Post edited at 12:44