Download coordinates as: Forest Lake is an outer south-western suburb of the City of Brisbane, Queensland, Australia.

[3] During World War II, there was a command post of the Darra Ordnance Ammunition Depot in the area now Forest Lake.

On 31 August 2005 the Richlands-Inala History Group erected an honour stone in Homestead Park, the site of the command post, commemorating the ammunition depot and the American army camps in Inala and Wacol nearby.

Now operating as Delfin Lend Lease, they are developing the adjacent Springfield Lakes Master Planned Community.

[6] In 2011, the lake experienced a blue-green algae (cyanobacterial) bloom, causing some concern to local residents.

A local councillor advised people to not enter the water due to the high toxicity levels from the algle bloom.

has a lot of algae; aerial views show a green patch in the north east corner of The Lake.

[citation needed] In the 2011 census, Forest Lake recorded a population of 22,426 people, 51.9% female and 48.1% male.

61% of people living in Forest Lake were born in Australia, compared to the national average of 69.8%; the next most common countries of birth were New Zealand 7.9%, England 4.7%, Vietnam 3.1%, India 1.8%, South Africa 1.6%.

73.6% of people spoke only English at home; the next most popular languages were 5% Vietnamese, 1.6% Samoan, 1.4% Sinhalese, 1.3% Mandarin, 1.2% Hindi[8] In the 2016 census, Forest Lake had a population of 22,904 people,[9] including the largest Sri Lankan Australian community of any suburb in Queensland, numbering 344 individuals and making up 1.5% of the suburb's population.