Gastineau Channel Historical Society

Founded in 1956 and headquartered in Juneau, Alaska, the Gastineau Channel Historical Society (GCHS) is a non-profit organization that seeks to promote the history of the Gastineau Channel area, operate the Last Chance Mining Museum, and care for the Sentinel Island Lighthouse.

The GCHS also seeks to promote the preservation of historic buildings, monuments, markers, and other historic edifices in the Gastineau Channel area. The GCHS produces newsletters, publications, and programs, as well as organizes activities and host of other events associated with the history of the Gastineau Channel area.