where was napoleon dynamite filmed

The movie "Napoleon Dynamite" was primarily filmed in Preston, Idaho. Key locations include Napoleon's house on the outskirts of Preston, Preston Senior High School, Pedro's house in town, and various other spots around Preston like the thrift store, bowling alley, and community park. Additionally, some scenes were shot in Richmond, Utah, at Big J's Drive-Inn, and the Lamont Reservoir near Preston was used for the wedding scene after the credits. The filming took place mostly in summer 2003, and the small town of Preston was central to the movie's setting and production.