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Regional general aviation gateway serving southwest Washington State.
Location
Kelso, United States
Southwest Washington Regional Airport, designated by IATA code KLS and ICAO code KKLS, is a public-use general aviation airport located in Kelso, Washington, situated in Cowlitz County near the confluence of the Cowlitz and Columbia Rivers.
The airport serves primarily general aviation traffic, including private aircraft, charter operations, and small cargo services. It is owned and operated by Cowlitz County and functions as an important regional facility for the local community and surrounding areas.
Kelso is located approximately 50 miles north of Portland, Oregon, and the airport provides an alternative to larger commercial airports in the region. While it does not host scheduled commercial airline service, it supports a range of aviation activities serving the southwest Washington corridor.
Terminals
The airport does not have a commercial passenger terminal; facilities are oriented toward general aviation operations with an FBO providing services to transient and local aircraft.
Getting to & from
The airport is accessible by road via Interstate 5, with Kelso's downtown and transit connections reachable within a short drive.
Notable facts
- ›Located in Cowlitz County, approximately 50 miles north of Portland, Oregon.
- ›Owned and operated by Cowlitz County.
- ›Serves general aviation, charter, and small cargo operations rather than scheduled commercial service.
- ›Situated near the confluence of the Cowlitz and Columbia Rivers.
- ›The airport has a single runway and fixed-base operator (FBO) services on site.
This profile is provided for general information only. Details may be inaccurate or outdated — always verify with the airport's official website before acting on them.
