Te Ara-a-Kiwa / Foveaux Strait is a substantial and exposed open ocean stretch of coastal water separating Rakiura (Stewart Island) from the South Island of New Zealand, covering approximately 2,460 square kilometers. This strait is widely recognized as one of New Zealand's most dramatic and challenging marine environments. Its exposed nature leads to significant wave heights, making it a serious undertaking suitable only for highly experienced and well-prepared paddlers. The strait was formed according to Māori tradition when the whale Kewa chewed through a land isthmus, with the resulting crumbs forming the many islands scattered throughout the waters. The coastline features a mix of pristine sandy beaches, hidden bays, tidal mudflats, and ancient rainforests that grow right down to sea level, particularly around Rakiura. The region is rich in wildlife, including sea lions and seals, and is adjacent to the pest-free bird sanctuary of Ulva Island. The area holds deep cultural significance for Ngāi Tahu, with numerous named reefs, sand banks, channels, and customary fishing grounds documented through history. Permanent historical settlements were located at places like Port Pegasus and Port Adventure. For paddlers, key access points would logically be from coastal settlements on either side of the strait, such as the town of Oban on Stewart Island or Bluff on the South Island. The raw beauty is underscored by long summer daylight hours and exceptionally dark skies for astral viewing. Given the strait's formidable reputation for exposure and wave height, paddling here demands careful planning around weather, tides, and currents, and is best attempted during settled summer conditions.