Watcher of the Winter Sun is a 1983 educational science film directed by Michael Bober. The documentary explores the cultural and astronomical significance of the La Rumorosa plateau in northern Baja California, focusing on the Kumeyaay people's rock art and their alignment with the winter solstice sunrise. Utilizing time-lapse photography, the film captures the illumination of a Kumeyaay rock art site by the winter solstice sunrise, highlighting the indigenous community's sophisticated understanding of celestial events.