<Tr> <Th> Total retail floor area </Th> <Td> 1.1 million square feet </Td> </Tr> <Tr> <Th> No. of floors </Th> <Td> 2 (3 for Macy's) </Td> </Tr> <P> Puente Hills Mall, located in the City of Industry, California, United States, is a major regional shopping center in the San Gabriel Valley region of Los Angeles County . It is most famous for serving as the filming site for the Twin Pines / Lone Pine Mall for the 1985 movie Back to the Future starring Michael J. Fox and Christopher Lloyd . </P> <P> Puente Hills Mall was built in 1974 after the completion of the Pomona Freeway a few years earlier . It opened with four primary anchors in a cross-shaped design by The Hahn Company . One of the mall's original tenants was the first Foot Locker store . </P>

Where was the mall scene filmed in back to the future