Lake Wakatipu is 380m deep, NZ's deepest lake
Water temp in winter: 8-10°C
Never freezes over completely
TSS Earnslaw operates year-round
Did you know that Lake Wakatipu, the stunning lake that Queenstown sits on, never completely freezes over, even during the coldest Queenstown winters? This is surprising because many lakes in colder climates freeze solid, but Lake Wakatipu's unique characteristics prevent it.
The lake is incredibly deep, over 380 meters at its deepest point, and holds a massive volume of water. This deep water retains heat from summer, and the lake's constant water movement, driven by winds and the flow of the Kawarau River, keeps the surface from forming a solid ice sheet. While shallow bays might get a thin layer of ice in extreme cold, the main lake remains open.
For visitors, this means year-round water activities like the iconic TSS Earnslaw steamship cruises and jet boating continue even in winter. The lake's surface temperature stays around 8-10°C, making it cold but not freezing. So, while you'll see snow-capped mountains, the lake itself remains a liquid playground.
Common questions
Can you swim in Lake Wakatipu in winter?**
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Yes, but it's very cold! The water temperature is around 8-10°C in winter, so only the brave (or those in wetsuits) take a dip. The lake never freezes, so swimming is technically possible year-round.**
What is the deepest point of Lake Wakatipu?**
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Lake Wakatipu is New Zealand's deepest lake, reaching 380 meters deep. That's deeper than many skyscrapers are tall!**
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