Passage: Akan Caldera is a large caldera over 20 km across. Emerging from within caldera is the Akan Volcanic Complex, which includes the highest mountain in the park, Mount Meakan. The lake also features boiling mud, called bokke. Churui island is one of four islands in the lake and the site of the Marimo Exhibition and Observation Center. Lake Onnetō is at the foot of Mount Meakan. Nearby is a hot water waterfall, Onnetō Yu-no-taki. From Sokodai, one can observe Lake Penketo and Lake Panketo. Mount Hakuto Observatory, Mount Kikin, Tsurumi Pass, and Akan Lakeside Observatory offer panoramas of the surrounding countryside. On the Akan River people view the mouth of the river Takiguchi as it flows into Lake Akan from Takimi Bridge. The area also offers Lake Jiro and Lake Taro.

Question: where is lake Onneto located?
at the foot of Mount Meakan