Whangaroa Harbour is a large, sheltered inlet on the northern coast of New Zealand's Northland region, formed by rising sea levels flooding ancient river valleys. The scenery is dramatic, characterized by steep volcanic cliffs and crags covered in dense native forest, deep blue waters, and a highly indented coastline with numerous bays and inlets. The harbour entrance is narrow, approximately 300 metres across, and can be difficult to spot from the open coast. Inside, the harbour is known as an all-weather anchorage, offering significant protection. However, conditions at the harbour mouth and just outside can become hazardous for paddlers, especially with an outgoing tide and onshore wind, creating steep, choppy waves in the shallow coastal area. The main settlements providing water access are Totara North on the western side and the township of Whangaroa on the eastern side. A water taxi service operates from Totara North, which can be used for transport or to access remote starting points like Lane Cove. Key landmarks for navigation include Kingfish Lodge, located just inside the harbour entrance on the port side, and the distinctive Duke's Nose rock formation. The harbour's western arm is noted for its lovely anchorage and a nice beach. Facilities for paddlers include the Whangaroa Harbour Water Transport service, the Whangaroa Sportfishing Club, and the Marlin Hotel near the marina. Fuel and water are available at Totara North, and a floating jetty for fuel is located at Radcliffes Bay. The area is remote, with kilometres of wild, untouched land, and many cabins and lodges, like Kingfish Lodge, are only accessible by water. While the harbour interior offers calmer conditions, paddlers must exercise caution regarding tidal currents at the entrance and be prepared for potential strong winds and rough water where the harbour meets the open Pacific Ocean.