Herdubreidarlindir is an oasis situated near Herdubreid mountain north of Vatnajokull glacier.
The area features a campground and hiking trails and is popular with travellers. More than 72 vascular plant species may be found there. Herdubreid also has rich birdlife which includes pink footed geese, harlequin ducks, Arctic terns, swans and red-necked phalaropes.
Outlaws would seek refuge in this area in former times, the best known being Fjalla-Eyvindur.