Lake Wakatipu holds 147 billion cubic metres of water in a glacial trough that carves 80 kilometres through the Southern Alps, and since 1912 the coal-fired TSS Earnslaw has traced its shoreline at twelve knots, the last commercial steamship operating in the southern hemisphere. The twin-screw vessel was built in Dunedin, dismantled, railed to Kingston, and reassembled on the lakeshore, a feat that made her launch a national event. Today the Earnslaw carries passengers to Walter Peak High Country Farm on the western shore, where a colonial homestead built in 1908 anchors one of the region's largest merino stations. Queenstown dinner cruises depart from Steamer Wharf year-round, the evening sailings timed to the alpine light that softens the Remarkables and Cecil Peak into layered silhouettes. The gourmet BBQ format served at Walter Peak draws from Central Otago lamb, Southland venison, and Fiordland salmon, plated in the homestead's stone hall beneath exposed beams salvaged from the original woolshed. A farm show follows the meal, demonstrating muster dogs working a flock and hand-shearing techniques unchanged since the station's founding. The Earnslaw's twin compound steam engines, visible through brass-framed glass panels in the engine room, burn a tonne of coal per crossing. Each piston stroke is audible on deck, a rhythmic percussion that marks the twenty-five-minute passage to Walter Peak. Passengers on the port rail watch Queenstown's waterfront recede, the gondola terminal suspended above Brecon Street, while the starboard side frames the Remarkables' scree slopes dropping 2,300 vertical metres to the water. Lake Wakatipu dinner tour options also include the vintage launch Million Dollar Cruise and modern catamarans, though the TSS Earnslaw remains the most photographed vessel on the lake, her twin smokestacks and paddle-box housing recognisable in a century of tourism imagery. The seasonal timing of these cruises favours autumn and winter, when sunset arrives early and the homestead's stone fireplaces are lit before passengers disembark. Return crossings under alpine darkness offer no landmarks, only the occasional farmhouse light on the far shore and the rhythmic churn of the Earnslaw's propellers.