North Harbour is a sheltered waterway located within the greater Sydney Harbour system in New South Wales, Australia, accessible from Manly Wharf. The harbour runs roughly east to west, with the eastern section extending from Manly Wharf toward Quarantine Beach, and the western section reaching toward Sydney North Harbour Reserve and Washaway Beach, with Dobroyd Head marking the entrance to Sydney Harbour proper.

Paddlers have two distinct areas to explore. The eastern coast, from Manly Wharf to Quarantine Beach, is the zone available to those hiring kayaks from rental operators located within walking distance of Manly Wharf on the right-hand side as you exit. Hirers are restricted from crossing the ferry lane, which limits access to this eastern corridor. Those with their own craft face no such restriction and can paddle the western coast, launching from Sydney North Harbour Reserve and continuing as far as Washaway Beach, which serves as a practical turnaround point and lunch stop.

One of the practical appeals of paddling North Harbour is the ability to reach small, secluded beaches and coves that are inaccessible or heavily crowded when approached by land. The coastline features a number of these quiet inlets along both the eastern and western shores.

Wildlife is a notable feature of the area. Pelicans and cormorants are regularly observed, and occasional sightings of penguins and seals have been reported, though these are uncommon. The harbour also offers views of Dobroyd Head, a prominent headland visible from the water.

Paddlers should be aware of the active ferry lane crossing North Harbour, which presents a meaningful navigation hazard. Kayak hirers are specifically prohibited from crossing this lane, and independent paddlers should exercise appropriate caution when transiting the area. The ferry route connects Manly Wharf to the broader Sydney Harbour ferry network, meaning vessel traffic can be regular and fast-moving.