on N shore of Port Gravina, 25 mi. NW of Cordova, Chugach Mts.
HistoryA 1914 U.S. Geological Survey (USGS) reconnaissance map shows the Bay as St. Matthew Bay.
Port Fidalgo, Port Gravina, Fish Bay, Hells Hole, Irish Cove, Olsen Bay, Orca Bay, Parshas Bay, Saint Matthews Bay, Whalen Bay,
Capes:Gravina Point, Parshas Point, Red Head,
Glaciers:Glacier G213687E60954N, Glacier G213737E60948N, Glacier G213749E60966N, Glacier G213766E60924N, Glacier G213775E60940N, Glacier G213821E60955N, Glacier G213869E60950N, Silver Glacier,
Islands:Gravina Island, Piledriver Rock,
Lakes:Mountains:Billygoat Mountain, Mount Denson,
Streams:Chisna Creek, Control Creek, East Fork Olsen Bay Creek, Horsetail Falls Creek, Lagoon Creek, Reynolds Creek, West Fork Olsen Bay Creek,