View of Chamisso Island as seen from Puffin Island
|Length||1.4 mi (2.3 km)|
|Width||0.125 mi (0.201 km)|
|Highest elevation||226 ft (68.9 m)|
The island is roughly triangular. It is 1.4 miles (2.3 km) long and an 0.125 miles (0.201 km) wide. The highest point on Chamisso Island is 226 feet (68.9 m) above sea level.
Chamisso Island has been a Natural Reserve since December 7, 1912. The protected area, the Chamisso Wilderness, includes Chamisso Island and nearby Puffin Island, as well as some rocky islets nearby. Both islands are part of the Chukchi Sea unit of the Alaska Maritime National Wildlife Refuge.
This island was named after naturalist Adelbert von Chamisso, who reached the island in 1816.