Aisén Fjord is an ~70 km long fjord stretching east from a skerry-guarded (skjærgård) region called Moraleda Channel (Spanish: Canal Moraleda), which is a body of water separating the Chonos Archipelago from the mainland of Chile. It is located at (45.26°S 73.00°W) and is connected indirectly to the open coast of the Pacific Ocean via the Darwin Channel.