Djúpidalur, a farm in a valley of the same name, off Djúpifjörður. Birthplace of Björn Jónsson editor and Minister of State (1846–1912), father of Sveinn Björnsson (1881–1952), first president of the republic. There are chalk layers in the earth there, and Iceland spar was mined for a time. Geothermal heat.