thumb|3D topographic view of the Astoria Canyon

Astoria Canyon is a submarine canyon 10 miles (16 km) offshore from the mouth of the Columbia River.

The Missoula Floods helped carve Astoria Canyon.

See also

  • Astoria Fan

References

  • https://web.archive.org/web/20050902223250/http://newport.pmel.noaa.gov/heceta/oceanexploration.htm