Mile High Festival 2024 Schedule. The mile high 420 festival, is free and open to guests 21 and older. This is my first time posting but i wanted to spread the word about the mile high 420 festival taking place on saturday 4/20/2024 at the civic center park here in denver.

This is my first time posting but i wanted to spread the word about the mile high 420 festival taking place on saturday 4/20/2024 at the civic center park here in denver. Find event and ticket information.