South Brother is a 3,970 ft / 1,210 m mountain peak near Brownville, Maine, United States. Based on peakery data, it ranks as the 19th highest mountain in Maine and the 30372nd highest mountain in the United States. The nearest peaks are Mount Coe, North Brother, Mount O-J-I, Fort Mountain, Barren Mountain, and West Peak. South Brother belongs to the New England Hundred Highest peak list. See the South Brother map, 3D fly around, and the South Brother photos to get a better sense of the mountain.