Mile High Festival 2024. — the wallflowers / kurt vile & the violators / the red clay strays / more…. The mile high 420 festival is the world’s largest free 420 celebration in denver’s civic center park.
Wiz khalifa & flatbush zombies experience the ultimate 420 celebration at red rocks amphitheatre on saturday, april 20th, 2024, with. — the mile high 420 festival is returning to denver’s civic center park this year, organizers of the event confirm.