Tahuna is a small rural settlement located 18 km north of Morrinsville. In the Māori language Tahuna means sandbank, likely to refer to the sandbanks along the nearby Piako River, where a Māori settlement started. Tahuna is seen as the upper limit for navigatable travel on the Piako River. The settlement has a rugby club, a lawn bowls club, a g…Tahuna is a small rural settlement located 18 km north of Morrinsville. In the Māori language Tahuna means sandbank, likely to refer to the sandbanks along the nearby Piako River, where a Māori settlement started. Tahuna is seen as the upper limit for navigatable travel on the Piako River. The settlement has a rugby club, a lawn bowls club, a golf course and various shops.