Where was Monster (1980 American horror film directed by Herbert L. Strock) filmed?

1980 American horror film directed by Herbert L. Strock

Monster (1980) was filmed in Chimayo, Ambalema and El Santuario de Chimayo, 3 places named in its Wikipedia article, in the United States, Colombia. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

See them on the map → Wikipedia Source data