 As of Friday, the Pioneer Fire near Chelan now passed 34 days, approximately now at 12,265 acres in size, only 14% containment. It started as a 300-acre fire on June 8th. By July 4th, it was around 5,500 acres in size. The fire is about 31 miles northwest of Chelan and continues to challenge firefighters due to its mountainous and remote location near Lake Chelan. Nearby communities affected are Steheken, Chelan, and also Manson.