Location: Havelock township — 35 km north-west of Blenheim at the head of Pelorus Sound Accessibility: Easy; flat town centre with foreshore walkway, accessible for all mobility levels Duration: 1–2 hours to explore the town; longer with the foreshore walk.

Havelock sits at the meeting point of the Pelorus and Kaituna rivers, at the innermost navigable reach of Pelorus Sound, and carries the title — with complete justification — of Greenshell Mussel Capital of the World. More Greenshell mussel farms operate in and around Pelorus Sound than anywhere else on earth, and the small working harbour at Havelock is their operational heart: a place of laden mussel barges, aquaculture supply boats, and the particular working-harbour atmosphere of brine, diesel, and industry that feels authentically, uncomplicatedly New Zealand.

Visiting Havelock costs nothing. The town’s compact main street contains several well-preserved colonial-era buildings dating from the 1860s, when Havelock was a busy supply point for prospectors heading into the surrounding ranges during the Marlborough gold rush. The streets were once considerably livelier — Havelock supported a newspaper, two hotels, a dozen commercial premises, and a population several times its current size during the peak of the rush. Today that heritage is quietly preserved in the scale and character of the surviving buildings, which house a handful of cafes, a gallery, and the Havelock Museum.

The Havelock Museum, housed in the former courthouse on Main Road, is a donation-entry institution (there is no fixed charge) that does an excellent job of telling the intertwined stories of Pelorus Sound — from the early Māori occupation through the gold-mining era, the timber industry, and into the modern aquaculture operation that makes the town’s economy today. The museum’s collection includes gold-mining artefacts, Māori taonga, and an evocative photographic record of the region in the nineteenth century.

The foreshore walkway north of the town centre is one of Havelock’s best free experiences. From the town wharf, the path follows the edge of the estuary north for roughly a kilometre, with views across the tidal flats and into the first reaches of Pelorus Sound. On calm mornings the water is mirror-still, the forested hills perfectly reflected, and the scene has a quality of complete serenity that is remarkable given the proximity of the highway. The estuary is also excellent birdwatching territory — herons, kingfishers, and pied stilts are reliably present.

Havelock is a natural pivot point between the Queen Charlotte Drive coastal route and the Pelorus Bridge Scenic Reserve and Nelson direction on State Highway 6. Many visitors make it a lunch stop rather than a destination in its own right, which is understandable but means they miss the foreshore walk, the museum, and the particular pleasure of sitting on the wharf with the Sound in front of them.