The Brent crater is an impact crater in both the geographic township of Deacon, Unorganized South Nipissing District and the municipal township of Papineau-Cameron in Nipissing District, northeastern Ontario, Canada, located north of Cedar Lake in northern Algonquin Provincial Park.[2][3][4] It is 3.8 kilometres (2.4 mi) in diameter and the age is estimated to be 396 ± 20 million years (Middle Devonian).[5] The crater can be accessed using Brent Road, 32 kilometres (20 mi) south of Ontario Highway 17.[4]