Three Rivers Mall

Kelso is a city in the southwestern part of the U.S. state of Washington and is the county seat of Cowlitz County. At the 2020 census, the population was 12,720. Kelso is part of the Longview, Washington Metropolitan statistical area, which has a population of 110,730. Kelso shares its long western border with Longview. It is near Mount St. Helens.

Kelso High School is a public high school in Kelso, Washington, United States.

The Kelso Multimodal Transportation Center (also known as Kelso–Longview) is an Amtrak train station located near downtown Kelso, Washington, United States. The station also serves the neighboring city of Longview, which is located just across the Cowlitz River. The station is served by Cascades and Coast Starlight trains. Greyhound Lines provides national and regional bus service, while RiverCities Transit provides local transit. Shuttle vans, taxis and rental cars can also be hired at the station.

The Allen Street Bridge was a bridge over the Cowlitz River between Kelso, Washington and Longview, Washington that collapsed on January 3, 1923, killing as many as 35 people. It resulted in the deadliest bridge collapse in Washington history.

The Aldercrest-Banyon landslide was a major slow-moving landslide in the east Kelso, Washington neighborhood of Aldercrest beginning in early 1998 through 1999. The disaster ended up being one of the worst urban landslides in United States history in terms of cost. The landslide is one of the most notable in Washington state, which has many landslides due to its mountainous terrain. The Aldercrest-Banyon landslide was the first landslide disaster in the United States that the Federal Emergency Management Agency (FEMA) declared an official disaster area.

The Monticello Convention refers to a set of two separate meetings held in 1851 and 1852 to petition Congress to split the Oregon Territory into two separate territories; one north of the Columbia River and one south.

KLOG (1490 AM), (100.7 FM) is a radio station broadcasting a classic hits format. Licensed to Kelso, Washington, United States. The station is currently owned by Washington Interstate Broadcasting Company. The station has been broadcasting for over 60 years. They provide information, local newscasts, local sports coverage, and sponsor a large number of community events.

Mark Morris High School is a public high school in Longview, Washington, for grades nine through twelve. In 2013, it had an enrollment of 976 students. A part of Longview Public Schools, the school was built in 1957 and is named for Samuel Mark Morris, the third president of the Long-Bell Lumber Company. The school has a partially open campus. Students are allowed to leave campus during lunch if they wish. Mark Morris was recognized as one of thirteen high schools identified as a high performing school in the area of math growth during the 2013 Washington Achievement Awards at OSPI in Olympia. OSPI assesses data from state testing over the past three years and it made significant growth during that period.

The Coweeman River is a tributary of the Cowlitz River, in the South West corner of the U.S. state of Washington. Its name comes from the Cowlitz word ko-wee-na, meaning "short one", referring to a short Indian who once lived along the river.

Longview is a city in Cowlitz County, Washington, United States. It is the principal city of the Longview, Washington Metropolitan Statistical Area, which encompasses all of Cowlitz County. Longview's population was 37,818 at the time of the 2020 census, making it the largest city in Cowlitz County. The city is located in southwestern Washington, at the junction of the Cowlitz and Columbia rivers. Longview shares a border with Kelso to the east, which is the county seat. The Cowlitz Indian Tribe, a federally recognized tribe of Cowlitz people, is headquartered in Longview.The Long-Bell Lumber Company, led by Robert A. Long, decided to buy a great expanse of timberland in Cowlitz County in 1918. A total of 14,000 workers were needed to run the two large mills as well as lumber camps that were planned. The number of workers needed was more than a lumber town, or the nearest town, could provide. Long planned and built a complete city in 1921 that could support a population of up to 50,000 and provide labor for the mills as well as attracting other industries. Several buildings in the city were built from Long's private funds.

Lower Columbia College (LCC) is a public community college in Longview, Washington.

Story Field at Lower Columbia College in Longview, Washington, US, was remodeled for the 2010 Cowlitz Black Bears' inaugural season. Amenities include party suites and the Bob's Sporting Goods Party Deck in left field, the Home Plate Club in the grandstand area and picnic tables and a children's playground sponsored by Kelso, Washington's Red Lion Inn. Story Field is a premier plating field in the West Coast League, a premier summer college baseball league, that is played during the summer. It is only available to college or college-bound players. The West Coast League is an unaffiliated league.