Megler is a small unincorporated community located in Pacific County in the U.S. state of Washington. Named for legislator Joseph G. Megler, the community is located at the mouth of the Columbia River on the north shore (Washington side) of the river. It is the northern end of the Astoria-Megler Bridge, which connects Megler to Astoria, Oregon, a nearby city on the south shore (Oregon side) of the river. U.S.