The Laugavegur is a famous trekking route in South-West Iceland from the hot springs area of Landmannalaugar to the glacial valley of Þórsmörk. It is noted for the wide variety of landscapes that are experienced in just 55km. The route is typically completed over 2-4 days.
See alastairhumphreys.com/adventures/transiceland/ for more information.
Chris Herwig (herwigphoto.com)
Alastair Humphreys (alastairhumphreys.com)