Covered head to toe in mud, surrounded by strangers who are somehow now your best friends for the afternoon — that's the Boryeong Mud Festival in one sentence. If you're planning a trip to Korea in late July or early August, this is the one summer event locals keep telling foreigners not to miss. What Exactly Is the Boryeong Mud FestivalThe 29th Boryeong Mud Festival runs from Friday, July 24 ..