Northbound
Loch Creran → Oban → Tobermory → Inverie → Rona → Stornoway → Tvøroyri.
Dated logsPhillips log reconstruction
Scotland and Faroes · 2015
Faroese phase
Tvøroyri → Sandur → Miðvágur → Tórshavn.
Strongly supportedSouthbound
Tórshavn → Kinlochbervie → Ullapool → Summer Isles → Loch Erisort → Stornoway.
Dated logsHomeward
Stornoway → Plockton → Mallaig → Tobermory → Puilladobhran → Loch Creran.
Dated logsOpen route questions
What the map does not claim
2009 Atlantic endpoints
The west-to-east passage is secure, but exact ports and complete dates remain unknown.
UnresolvedLiverpool → Aberystwyth
The transfer and delivery passage still lack a dated primary source.
Unresolved