Excelsior Glacier flows south for about 8 miles (13 km) from the Sargent Icefield on the Kenai Peninsula to its terminus at Big Johnstone Lake, formerly called Excelsior Lake, about 28 miles (45 km) west-southwest of Chenega Bay and 26 miles (42 km) southeast of Seward, Alaska.

The Pitmegea River originates at an elevation of about 1,300 feet (396 meters) in the De Long Mountains of the western Brooks Range, and flows northwest for 37 miles (60 kilometers) to the Chukchi Sea at Cape Sabine, about 70 miles (113 kilometers) south-southwest of Point Lay and 66 miles (106 kilometers) northeast of Point Hope, Alaska.

Dutch Harbor is an anchorage and fish processing facility on the east coast of Amaknak Island, bordered by Mount Ballyhoo to the west and a gravel spit to the east that forms the natural harbor, about 33 miles (53 km) southwest of Akutan and 3 miles (5 km) north-northeast of Unalaska, Alaska.