The Heuningnes is a coastal estuary system located in the Overberg District Municipality of South Africa, recognized as the most southerly estuary in Africa and holding Ramsar site status. It is situated within the De Mond Nature Reserve, a World Heritage Site located between Arniston and Struisbaai. The primary and likely only formal access point for paddlers is at the mouth of the Heuningnes River within this reserve. The estuary mouth is dynamic, with reports indicating it can be open or closed, which directly impacts water levels and the potential for a surf zone at the marine entry. Paddling here offers a tranquil and unspoilt experience, characterized by a beautiful, quiet river mouth that opens into the sea. The area is noted for its high indigenous fish diversity and is a hotspot for birdlife, making it of significant interest for wildlife viewing. The reserve provides basic amenities including a boardwalk leading to a lookout point, picnic facilities, and a designated swimming area in the river. A key consideration for paddlers is the state of infrastructure; a bridge across the lagoon has been broken for over a year, preventing the completion of a circular walking route and potentially affecting land-based portages. The water body is managed by Cape Nature, and visitors should expect entry regulations and fees typical of a nature reserve. The overall character is one of a remote coastal lagoon, with a mix of estuarine and marine environments, best suited for paddlers seeking a quiet, nature-focused experience away from significant development or boat traffic.