Jökulsá glacier river near Dettifoss in the Diamond Circle. Photo by Scott Drummond Posted on October 10, 2020January 25, 2022 Protected: Ass-Kickin Grandest Tour of Iceland 1440 × 960 Jökulsá glacier river near Dettifoss in the Diamond Circle. Photo by Scott Drummond Jökulsá glacier river near Dettifoss in the Diamond Circle. Photo by Scott Drummond