Robertson Hill (also Sturges Park or Mount Robertson) is one of the volcanoes in the Auckland Volcanic Field. It's scoria cone reaches 78 metres above sea level (around 28 m above the surrounding land). The scoria cone crater was reshaped into an oval sports field with terraced seating. The scoria cone sits in the centre of a large explosion (maar) crater with the tuff ring arc still present around the south and east sides.