Western Springs Lakeside Park

Look over the bridges and you'll see the eels. They start life as larvae drifting down from somewhere out near Tonga, spend decades growing in this lake, then head all the way back to breed. The loop is flat the whole way round. Don't feed anything: the council asks you not to and there's been botulism in the water. Fewer ducklings than there used to be, too, since the pūkeko got the numbers.