North Portland Harbor
| North Portland Harbor | |
|---|---|
 Railroad bridge over the channel | |
  Location of the mouth of North Portland Harbor in Oregon | |
| Location | |
| Country | United States |
| State | Oregon |
| County, City | Multnomah, Portland |
| Physical characteristics | |
| Source | Columbia River |
| • location | about 108 miles (174 km) from the Columbia mouth |
| Mouth | Columbia River |
• location | about 103 miles (166 km) from the Columbia mouth |
• coordinates | 45°37′48″N 122°43′54″W / 45.63000°N 122.73167°W[1] |
• elevation | 10 ft (3.0 m)[1] |
| Length | 5 mi (8.0 km)[2] |
The North Portland Harbor is an Oregon waterway or channel in Multnomah County, specifically in Portland. An anabranch, about 5 miles (8 km) long, of the Columbia River, it separates Hayden and Tomahawk islands from the mainland. Flowing generally northwest, the channel rejoins the main stem slightly upstream of Kelley Point Park and the mouth of the Willamette River.[2]
The Interstate Bridge carries Interstate 5 (I-5) over the channel, and farther downstream the Oregon Slough Railroad Bridge carries rail traffic. The BNSF Railway crosses North Portland Harbor over the rail bridge.[3]
Terminal 6 of the Port of Portland lies along the mainland shore of the channel. Northeast Marine Drive runs roughly parallel to the channel for much of its length.[4]
The official name registered with the United States Board on Geographic Names is North Portland Harbor, although historically other names have been applied. These include Oregon Slough[1] and Hayden Slough.[5]
See also
[edit]References
[edit]- ^ a b c "North Portland Harbor". Geographic Names Information System. United States Geological Survey (USGS). November 28, 1980. Retrieved November 23, 2015.
- ^ a b "United States Topographic Map". United States Geological Survey. Retrieved November 23, 2015 – via ACME Mapper.
- ^ Topinka, Lynn (2008). "North Portland Harbor, Oregon". Lynn Topinka. Retrieved September 20, 2014.
- ^ "Portland's Local Rail Connections" (PDF). Port of Portland. April 21, 2014. Archived from the original (PDF) on August 19, 2014. Retrieved November 23, 2015.
- ^ "Preliminary Examination of Hayden Slough, Oreg". House Documents, Volume 19. Washington, D.C.: U.S. Government Printing Office. January 24, 1918. p. 76. Retrieved November 23, 2015 – via Google Books.
External links
[edit]
Media related to North Portland Harbor at Wikimedia Commons
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