The centrepiece of Forest Lake is an $8.9 million, 10.9 hectare man-made recreational lake, with a perimeter of 2.7 kilometres (1.7 mi). $1.8 million was spent on the dam wall, outlet structure and boulevard embankment. It has an average depth of 2.6 with a 300 to 600 mm around the safety ledge, deepening to 4 metres in the centre. The volume of the lake is 310,000 cubic metres or 269 Olympi sized swimming pools. Surrounding the lake is 3.5 kilometres of pedestrian and cycleways and 8 hectares of adjacent parkland. It was completed and opened in 1994.