Alley (south of Cambie, west of Robson) as Alley near S.T.A.R. Labs
Barry arrives in the future and is almost immediately attacked by Mirror Master and Top.
“The Once and Future Flash” Filming Locations
Barry heads to the future to find out how to defeat Savitar and finds all of his team members broken and alone.
The Flash episode “The Once and Future Flash” was filmed in Vancouver in Canada.
Mountain View Cemetery as Cemetery
Barry finds Joe visiting Iris's grave in the future.
Source: YVRShoots
Alley (south of Hornby, west of Pender) as Central City Jewelry
Barry tries to stop Top and Mirror Master after they have robbed a jewelry store and he has to be rescued by his future counterpart.