To the southwest, Baldpate Mountain faces Old Speck Mountain across Grafton Notch, which by convention marks the northeast end of the Mahoosuc Range.

Baldpate Mountain is within the watershed of the Androscoggin River, which drains into Merrymeeting Bay, the estuary of the Kennebec River, and then into the Gulf of Maine.

The southeast and southwest sides of Baldpate drain into the Bear River, then into the Androscoggin.

drains into the West Branch of the Ellis River, then into the Androscoggin.

The Appalachian Trail, a 2,170 mi (3,490 km) National Scenic Trail from Georgia to Maine, runs from Grafton Notch to Surplus Mountain across both peaks of Baldpate.