Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Saddleback Mountain is a mountain located in Piscataquis County, Maine. Saddleback Mountain stands within the watershed of the Pleasant River, which drains into the Penobscot River, and thence into Penobscot Bay. The northeast end of Saddleback Mountain drains from Crater Pond into South Inlet Brook, thence into B Pond, Guernsey Brook, and the East Branch of the Pleasant River. The easternmost part of Saddleback drains into Mud Gauntlet Brook, thence into Ebeemee Lake, and the East Branch of the Pleasant River.