You should drive there by yourself. Note, that only 4×4 vehicles are allowed to make the journey! The other option is to jump into one of the jeeps or mountain buses that drive daily into Thorsmork. These jeeps and buses are in operation from May to October, departing from Reykjavik.

Cratère de Kerid
Le moyen le plus simple de s'y rendre est de s'y rendre en voiture. Le cratère est situé le long de la route du Cercle d'Or