- Start of trail Redon
- End of trail Douarnenez
- Traildino grading EW, Easy walk, nature trail
Like the GR37, this trail explores the inner parts of Brittany. The GR34 of course is the very popular coastal route of Brittany. The GR38 is much less frequented. A suggestion would be to combine some parts of the coastal trail with some trails in the interior to get to know Brittany better.