North Brother is a mountain located in Baxter State Park, Piscataquis County, Maine.

The south and east sides of North Brother drains into a swampy area called "The Klondike", then into Wassataquoik Stream, the East Branch of the Penobscot River, and into Penobscot Bay.

The north and west sides of North Brother drain into Little Nesowadnehunk Stream, Nesowadnehunk Stream, and the West Branch of the Penobscot River.

The Appalachian Trail, a 2,170 mi (3,490 km) National Scenic Trail from Georgia to Maine, reaches its northern terminus, on the summit of Mount Katahdin, 5 miles (8.0 km) to the southeast of The Brothers.

This Maine state location article is a stub.