Mile 340 Report

December 26, 2017
by edjoyce

South Jetty Columbia River, Fort Stevens SP
Tuesday 2:00 PM
Party cloudy
36° F
Strong from the E
Tide Level:
2.1 ft
Humans / Pets:
Walking / Running:
Cars/Trucks parking:
Activity Comments:
Notable Wildlife:
An Eagle at the water line.
Dead Birds:
Signs of oil:
Fish & Invertebrates:
lots of pyrosomes (see pictures)
Small rocks·Kelp or Algae·Shells·Wood pieces·Ocean-based debris (from fishing boats, ship trash, etc.)
New Development:
Natural Changes:
Landslides/major boulder falls·Major cracks appearing in bluffs·Newly exposed roots/trees falling·Erosion of vegetated foredune·Visible retreat of solid bluff
See pictures of above.

Significant eroision of dunes --  See Pictures.

  • Pyrosomes
    December 26, 2017
  • Dune erosion
    Dune Erosion
    December 26, 2017
  • Dune Erosion
    Dune Erosion
    December 26, 2017
Other Mile 340 Reports (17)


October 26, 2022 - edjoyce
Have not done this walk in a long time due to work being done on south jetty.  Looks the same.
  • Looking toward So. Columbia River Jetty.
  • Looking away from So. Columbia River Jetty.
  • Looking into Columbia River away from the So. Columbia River Jetty.
September 16, 2022 - edjoyce
There's a tree stump that is gradually being progressively exposed (see photo).  I marked this with red paint.  This should be an excellent opportunity to measure the rate of dune retreat.  Wish I...
  • Looking north toward So. Columbia River Jetty - note summer dune profile.
  • Note red marker on log showing dune migration over last few months.


January 18, 2020 - edjoyce
Nothing unusual.
  • Looking east from the So. Columbia River Jetty.
  • Looking west toward So. Columbia River Jetty.


October 18, 2019 - edjoyce
All looked the same.
  • Taken from near So. Columbia River Jetty looking northeast.
  • Looking NE from approx. 1/2 mile from So. Columbia River Jetty.
  • Looking west.  Photo taken from 1 mile from So. Columbia River Jetty.
July 1, 2019 - Merce and Michael
Lots of Grey Whales spouting, as seen from the tower at Parking Lot C. Apparently some were there the night before, too.
May 15, 2019 - edjoyce
All looks about the same.  Much marine debris including plastic bottles, shoes, large hunks of mfg. wood, shell casings and much more.
  • Looking NE from inside the Columbia River South Jetty.
  • Looking west toward Columbia River South Jetty
March 12, 2019 - edjoyce
Not much going on.  No new apparently erosional issues.  Except for some tire tracks little evidence of human activity.  As always, I cleaned the beach as I walked.
  • Photo taken from So. Jetty looking NE
  • Photo taken from about 100 yards from So. Jetty looking NE
  • Photo taken from about 100 yards from So. Jetty looking NE
  • Photo taken from about 200 yards from So. Jetty looking NE
  • Photo taken approx. 1 mile from So. Jetty looking east.
  • Photo looking west taken approx 100 yds. from So. Jetty
January 19, 2019 - Merce and Michael
King tide photos taken at a few locations (note photo captions).


December 22, 2018 - Merce and Michael
King Tide Photos, December 2018
September 3, 2018 - edjoyce
  • Looking west toward So. Jetty
  • Looking toward Washington across river.
June 22, 2018 - edjoyce
Vehicles have obviously been entering an area closed for nesting birds that extends from the So. Jetty for approx. 1 miles.  I left a message for the ranger alerting him of the issue.
  • Illegal entry
  • Looking toward estuary.
April 7, 2018 - edjoyce
Nothing unusual
  • No changes
February 28, 2018 - edjoyce
Dead harbor seal (see photo)
  • Dead harbor seal.
January 27, 2018 - edjoyce
Nothing special.


October 5, 2017 - edjoyce
No pictures of dead crabs at shoreline.
June 20, 2017 - edjoyce
  • South jetty looking west.
  • Eagle with So. Jetty.


February 28, 2015 - daveincamas
This was actually taken up the Columbia at the Julia Butler Hansen NWR but I thought it would be of interest to folks here.There were hundreds of sea lions in the river. I believe they were following...
  • Go to and watch the videos in order (1, 2, 3) to watch them swim up the river.