The southwest end of Saddleback drains into Saddleback Brook, then into Silver Lake, and the West Branch of the Pleasant River. The northwest side of Saddleback drains into Big White Brook, then into Silver Lake.
Saddleback's southwest end feeds into Saddleback Brook, which then flows into Silver Lake, and from there it merges with the West Branch of the Pleasant River. Meanwhile, the northwest part of Saddleback directs its flow into Big White Brook, which ultimately reaches Silver Lake as well.