Northala Fields is a park located in Northolt, in the London Borough of Ealing. It was opened in 2008 and consists of four artificial hills standing next to the A40 Western Avenue, as well as several fishing lakes, a large field area a children's play area and adjacent café. The hills were constructed using rubble from the demolition of the original Wembley Stadium, which was closed in 2000 and demolished in 2003.