Where was The Incredible Journey filmed?

1963 film directed by Fletcher Markle

The Incredible Journey (1963) was filmed in Sequim, Terrebonne, Caledon, Huntsville and Three Sisters, 5 places named in its Wikipedia article, in Canada, the United States. Wikidata itself records the shoot only as Ontario. Each place says where its claim comes from.

Part of the Homeward Bound film series

See them on the map → Wikipedia Source data

Places per Wikipedia's article

The Wikipedia article names 5 places. Each links to the sentence that says so.

Recorded only at country level

Also filmed in Ontario, but the exact places are not known, so they are not on the map.

Filming locations that are mapped there: Canada