Landscapes & nature
Willamette Valley
Valley in Oregon, United States
Wikipedia names Willamette Valley as where 1 film or series was filmed; its page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Willamette Valley. Each title’s page links to the sentence that says so.
The GeneralWar film1926Commons
Filming locations nearby
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Towns & cities
Salem
United States · 7 km north-east
Capital city of the U.S. state of Oregon and seat of Marion County
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Landmarks & buildings
Oregon State Capitol
United States · 7 km north-east
State capitol building of the U.S. state of Oregon
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Landmarks & buildings Oregon State Penitentiary
United States · 8 km north-east
Maximum security state prison in Salem, Oregon
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Landmarks & buildings
Oregon State Hospital
United States · 9 km north-east
Hospital in Oregon, United States
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Towns & cities
Macleay
United States · 17 km east
Unincorporated community in Oregon, United States
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Towns & cities
Dallas
United States · 17 km west
City in and county seat of Polk County, Oregon, United States