Pitt River Quarries as Anti-Universe
Mar Novu's experiment goes wrong sending him to the anti-universe where he unleashes his counterpart. The Paragons travel here to do battle with the Anti-Monitor and recreate reality.
“Crisis on Infinite Earths: Part Four” Filming Locations
Oliver, now Specter, travels to the Vanishing Point to send the Paragons on a journey through the Speed Force to stop the Anti-Monitor at the Dawn of Time. Epic shit.
Arrow episode “Crisis on Infinite Earths: Part Four” was filmed in Pitt Meadows, Britannia Beach, Delta, & Surrey in Canada.
Minaty Bay as Purgatory
Jim Corrigan has Oliver relive all of his previous battles to prepare him for his final fight against the Anti-Monitor.
Boundary Bay Regional Airport as S.T.A.R. Labs Aviation Division
J'onn has a vision of Kara and Oliver arguing during the Invasion! while lost in the Speed Force.
Surrey Civic Plaza as Central City Plaza
Barry locates Oliver in the Speed Force as he is reliving the battle with Deegan during the Elseworlds incident.