The 100km route from Southerness to Wanlockhead is informal and unwaymarked. There's a description, sketch map, and downloadable gps files on this website.
The start: Southerness lighthouse
Criffel Hill seen ahead
The Thirlstane
Powillimont shore
The Devil Stone
Fossil coral, Borran Point
Kirkbean Glen
Criffel south flank
Criffel summit
bivvy on Knockendoch
descent from Knockendoch
Criffel and Knockendoch
Sweetheart Abbey
forest road after New Abbey
Mabie Forest
Criffel from Mabie
In Mabie Forest
In Mabie Forest
Nith View Trail
Descent from Mabie
Devorgilla Bridge, Dumfries
Dumfries Midsteeple
River Nith leaving Dumfries
Dumfries Bypass first bridge
Burns Walk
River Nith, Carnshalloch
Dalswinton Loch
Journey Garden
Dalswinton Estate
Criffel from the Mulloch
Old bridge, Auldgirth
overgrown forest track after High Auldgirth
forest road final section
gate out of the woods
farm track, Auchencairn
Track to Croalchapel
Thornhill
Dabton Loch
Morton Castle
Morton Hills
Morton Mains Hill
Durisdeer from the Morton Hills
Glenaggart leads down to Durisdeer
Durisdeer Kirk
above Enterkin Burn
approaching Enterkin Pass
Enterkin Pass foot
Enterkin Pass
exit from Enterkin Pass
on Lowther Hill
descent to Wanlockhead