'Baldwin Peninsula' is a
peninsula located on the
Arctic Circle in the northwestern region of the
U.S. state of
Alaska, at . It extends 72 km (45 miles) into
Kotzebue Sound from the Alaska mainland and defines the south boundary of
Hotham Inlet. It is 2-19 km (1-12 miles) wide.
The town of
Kotzebue is at the end of the peninsula.