Lake Maraetai is the lake at Mangakino. It’s an artificial lake which was created when the Maraetai Dam was built on the Waikato River for hydroelectric generation.
Lake Maraetai is 4.4 square kilometres (1.70 square miles) and a maximum depth of 75 m (246 ft).
There is a free camping area in the reserve next to the lake. It has some power outlets and a lavatory block.
The Lake holds both Rainbow and Brown trout and offers very good fishing.
There is also accommodation offered at the Lake Maraetai Lodge.