Nice place, limited transport options
Rotorua is a nice enough place. We enjoyed mountain biking in the forest out of town which you can reach through a combination of bus and walking. We were disappointed to find that there is no public transport further afield, to some of the nearby lakes for example. As such doing trips with a tour company or hiring a car are your best options if you want to see the countryside outside of town. Obviously both these options will cost you! The i-site in the centre of town has lots of good info.
Insider Tip:Mini golf behind the museum was good fun!