Flatline Fest 2026
United States
Festival in United States
Jun 13, 2026 • Jun 14, 2026 • 18+ Age
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 this festival offers
Punk
Metal
Stoner Rock
Hardcore (Punk)
Where you'll be
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The Oriental Theater
4335 W 44th Ave., Denver, CO 80212
Local Currency: USD
Consider paying in USD locally. Bring cash or use a payment card that supports this currency to avoid extra fees.
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Last verified: 28 February 2026