Green Man Festival 2024 Greenbelt Festival. Taking place across four days at the bannau brycheiniog national park, this year’s festival will be headlined by sleaford mods, sampha, jon hopkins and big thief.  — information for greenbelt green man festival, a faerie fair in greenbelt, md.

The lineup was just revealed, and headlining this year will be big. This year’s event starts on thursday 15 august and runs until sunday 18 august.