Where was Heart o' the Hills filmed?

1919 film directed by Joseph De Grasse and Sidney Franklin

Heart o' the Hills (1919) was filmed in San Bernardino County, Redlands, Big Bear Lake and San Bernardino Mountains, 4 places named in its Italian Wikipedia’s Produzione section, in the United States. Wikidata itself records the shoot only as California. Each place says where its claim comes from.

See them on the map → Wikipedia Source data

Places per Italian Wikipedia's Produzione section

Italian Wikipedia’s Produzione section names 4 places. Each links to the sentence that says so.

Recorded only at country level

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

Filming locations that are mapped there: United States

Also shot in these places