Flatline Fest 2026
About this festival
Flatline Fest is a two-day extreme metal music festival held at the Oriental Theater in Denver, Colorado. What makes it unique is that it is curated by a local metal producer, Dave Otero, and showcases a blend of international and local bands he has collaborated with.
What Flatline Fest offers
Don't lose your ears at the next one
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Where it was
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The Oriental Theater
4335 W 44th Ave., Denver, CO 80212
Local Currency: USD
The local currency is USD.
An independent music & festival researcher with 10+ years in the global dance scene.
15 June 2026
