The sound between Spitsbergen and Nordaustlandet in the high Arctic, in contrast to the milder coast of western Spitsbergen. Early in the season it is locked in ice that slowly clears from the south.
The northern end can be blocked by the pack for a while, varying from season to season. Once open, it enables circumnavigation of Spitsbergen, although ice can still drift in on strong currents and block Hinlopenstretet. When Hinlopenstretet is open, but the northern end is still blocked, ships will come into the area, typically sailing along Freemansundet between Edgeøya and Barentsøya, then return.
The area is superb for Zodiac cruises and landings, and can be superb even as a ship cruise. There are plenty of seabirds, the sound can be good for whales, there are various fjords to explore, like the surprisingly arid and desert-like Wahlenbergfjorden, various island groups to explore, like Wahlbergøya, and the chance to experience what is described as the polar desert. Three locations stand out as highlights in whole of Svalbard, the ice cliff Bråsvellbreen, the Walrus Haul out at Torellneset , and the bird cliff at Alkefjellet.