The details, in daylight
Grupo Frontera played Red Rocks Amphitheatre in Morrison on 21 August 2026. This show has already taken place — see Grupo Frontera's page on KeenToGo for their upcoming dates.
A 9,525-seat amphitheatre carved between two 300-foot sandstone monoliths outside Denver, opened in 1941 and considered by many artists the greatest venue on earth. U2's Under a Blood Red Sky and the annual Film on the Rocks are part of its legend. Grupo Frontera are a Texas norteño band from the Rio Grande Valley whose cumbia cover of No Se Va and the Bad Bunny collaboration un x100to made them regional Mexican music's breakout stars.
Asked about the venue
About Red Rocks Amphitheatre
How many people does Red Rocks hold?
9,525 — seated between two 300-foot sandstone monoliths in Morrison, Colorado, about 15 miles west of Denver.
Why is Red Rocks so famous?
It's a naturally formed, open-air amphitheatre with acoustics artists rave about — U2 recorded Under a Blood Red Sky there in 1983, and playing Red Rocks is a career milestone across every genre.
What elevation is Red Rocks Amphitheatre?
About 6,450 feet above sea level — visiting flatlanders genuinely feel the altitude on the walk up.