Lighting Changes for North Portland Harbor / Oregon Slough

The U.S. Coast Guard is permanently disestablishing the North Portland Harbor East End Range Front Light (LLNR 11280) and Range Rear Light (LLNR 11285). These range lights no longer mark the navigable channel into the east entrance of the Oregon Slough.


Oregon Slough Light 2 will be established at the southeast corner of the entrance channel in approximate position 45-36-04.727N 122-38-27.222W with a quick flashing red light (Q R).

North Portland Harbor Light 2 (LLNR 11285) will be renamed as Oregon
Slough Light 4 (LLNR and relocated to approximate position 45-36-12.829N 122-38-06.457W to mark the eastern boundary of the navigable channel.

Additionally, North Portland Harbor Daybeacon 1 (LLNR 11290) will be renamed as Oregon Slough Daybeacon 1 (LLNR 11280).

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