Mount Gravatt East is a suburb of Brisbane, Australia, located southeast of the central business district.Named after Mount Gravatt, a nearby landmark, the suburb was first gazetted in 1967.It is also home to a variety of hills, one of them being Mount Thompson.On land owned by Boral along Pine Mountain Road, an old quarry has filled with water. Despite being fenced off, trespasser have gained access and use the dam as a swimming hole. A Brisbane City Council report found the water had a pH level of about 3.3 and contained traces of metals making it unsuitable for human contact.DemographicsIn the 2011 Census the population of Mount Gravatt East is 10,891, 50.9% female and 49.1% male.The median/average age of the Mount Gravatt East population is 34 years of age, 3 years below the Australian average.71.8% of people living in Mount Gravatt East were born in Australia. The other top responses for country of birth were New Zealand 3.5%, England 2.8%, India 2.2%, South Africa 1%, China 0.9%.79.8% of people speak English as their first language 1.6% Greek, 1.4% Mandarin, 1.1% Arabic, 1% Punjabi, 0.9% Cantonese.External links University of Queensland: Queensland Places: Mount Gravatt and Mount Gravatt East