Tamatea / Dusky Sound is a large and remote fiord within Fiordland National Park, accessible only by sea or air. It is one of the largest fiords in New Zealand, characterized by a deeply indented coastline with numerous islands, coves, and ancient glacial valleys. The area is a designated World Heritage Site, recognized for its pristine wilderness. The sound has significant historical and cultural importance, with evidence of centuries of Māori seasonal occupation and early European exploration, including sites associated with Captain Cook's voyages and early sealing and whaling activities. The sound is remote, with no road access, which defines its character as a wilderness paddling destination. Access for paddlers is typically by boat via the sound itself or by air, with specific points like Deep Cove mentioned as a potential kayak launch point for trips to locations such as Elizabeth Island. The Dusky Track, a hiking trail, also connects to the sound at points like Supper Cove, indicating these coves can serve as potential access or egress points for combined hiking and paddling trips. The sound experiences commercial and recreational boat traffic, including lobster fishing vessels and pleasure craft. The marine environment is a focus of conservation efforts, with ongoing projects to remove rubbish, indicating a generally clean environment that is actively protected. Wildlife includes bottlenose dolphins, and the surrounding islands are historic bird sanctuaries, part of pioneering conservation work. The water is deep, with areas surveyed between 15 and 86 metres. Given its exposure to the open ocean at its entrance, paddlers must be prepared for significant wind exposure, fetch, and potential ocean swell. Tidal currents are a critical factor in this saltwater sound. There are no stated restrictions specific to paddling, but its remote nature necessitates complete self-sufficiency, as there are no described facilities or amenities for paddlers along the shoreline.