More or less decided on our overnight stops and the routes between them:

Penzance youth hostel

Golant YH
Mortenhamsted – TBC
Street YH
St Briavels YH
Clun YH.
Chester YH
Little Stubbins BnB just north of Preston
Kendal YH
Windermere
Carlisle YH
Unknown – somewhere in Pebbles
Unknown – somewhere in Perth
Aviemore YH
Culrain YH
Tongue YH
John o’Grouts YH (official end of the trip)
Stirling YH or Edinburgh YH (need to break our journey home
Home!