Landscapes & nature
Seneca Creek State Park
State park in Montgomery County, Maryland, United States
Wikipedia names Seneca Creek State Park 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 Seneca Creek State Park. Each title’s page links to the sentence that says so.
The Blair Witch ProjectHorror film1999
Filming locations nearby
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Towns & cities
Montgomery County
United States · 5 km east
County in Maryland, United States
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Towns & cities
Gaithersburg
United States · 6 km east
City in Montgomery County, Maryland, United States; suburb of Washington, D.C.
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Towns & cities
Rockville
United States · 11 km south-east
City in and seat of Montgomery County, Maryland, United States; suburb of Washington, D.C.
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Towns & cities
Wheaton
United States · 21 km south-east
Census-designated place in Montgomery County, Maryland, United States
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Landscapes & nature Glen Echo Park
United States · 22 km south-east
Arts and cultural center at former amusement park in Maryland, United States
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Towns & cities Bethesda
United States · 23 km south-east
Unincorporated community in Montgomery County, Maryland, United States
What Wikipedia says about Seneca Creek State Park
One sentence quoted word for word from Wikipedia, with the production it describes and a link to the article it comes from.
“Most of the film was shot in Seneca Creek State Park in Montgomery County, Maryland.” Wikipedia