What is the name of the largest lake entirely within New Zealand, located in the caldera of a supervolcano that produced one of the world's most violent eruptions around 26,500 years ago?

• A Lake Wakatipu
• B Lake Taupō ✓
• C Lake Te Anau
• D Lake Wanaka

Lake Taupō, with a surface area of 616 square kilometres, fills the caldera of the Taupō volcano, whose Oruanui eruption was the world's most recent VEI-8 supereruption.