Cedar Hills Regional Landfill is a municipal landfill near Maple Valley, Washington, United States. It is operated by the King County Solid Waste Division and encompasses 920 acres (1.44 sq mi; 3.7 km2) of space near State Route 169. The landfill opened in 1963 and is the county's only active waste facility, serving an estimated 1.4 million people in King County—excluding the cities of Seattle and Milton. Cedar Hills was originally anticipated to be full by 2012, but recent estimates have pushed the date back to 2028, with further expansion planned. The landfill continues to receive 2,500 short tons (2,300,000 kg) of trash per day and has a population of bald eagles and other birds that frequent the area and deposit trash in surrounding neighborhoods.