Watch Altar (2016) HD Full Movie Free on solarmovie.do. Watch Altar (2016) online free. ALTAR is the terrifying story of a group of former college classmates who get lost driving to a coll...ALTAR is the terrifying story of a group of former college classmates who get lost driving to a college reunion camp out in the Sierra Nevada mountains. After stopping for the night, they stumble onto something much darker. They must battle to escape the evil they unleashed to not only save their own lives but their souls as well.