Mile 340

South Jetty Columbia River, Fort Stevens SP
Clatsop County

Latitude: 46.230060056899
Longitude: -124.028495152630
Google Map: General area
Vehicles: View vehicle information
  • Motor vehicle travel is prohibited on the ocean shore between the hours of 12:01 p.m. and 12:00 midnight, from May 1 through September 15, from the south jetty of the Columbia River (46° 13.5216', Mile 340), southerly to the Peter Iredale Road (46° 10.6950', Mile 336).
Tide Predictions: NOAA or
South Jetty Columbia River, Fort Stevens SP
Mile 340 Reports (18)


October 26, 2022 - edjoyce

Have not done this walk in a long time due to work being done on south jetty.  Looks the more

  • 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 had thought about this a year or so ago when I first saw it.  I've been more

  • 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 more

  • Looking east from the So. Columbia River Jetty.
  • Looking west toward So. Columbia River Jetty.


October 18, 2019 - edjoyce

All looked the more

  • 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, more

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 more

  • 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).read more


December 22, 2018 - Merce and Michael

King Tide Photos, December 2018read more

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 more

  • Illegal entry
  • Looking toward estuary.
April 7, 2018 - edjoyce

Nothing unusualread more

  • No changes
February 28, 2018 - edjoyce

Dead harbor seal (see photo)read more

  • Dead harbor seal.
January 27, 2018 - edjoyce

Nothing more


December 26, 2017 - edjoyce

Significant eroision of dunes --  See more

  • Pyrosomes
  • Dune erosion
  • Dune Erosion
October 5, 2017 - edjoyce

No pictures of dead crabs at more

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 the smelt run: But the coolest thing was a group more

  • Go to and watch the videos in order (1, 2, 3) to watch them swim up the river.