The film is about an American man who attempts suicide in Mount Fuji’s “Suicide Forest” where he meets a Japanese man who is there for the same reason. Principal photography began on July 28, 2014, in Foxborough, Massachusetts; the production moved to Japan in September of the same year.Click to see full answer. Just so, what is the sea of trees in Japan????), also known as the Sea of Trees (??, Jukai), is a forest on the northwestern flank of Japan’s Mount Fuji, thriving on 30 square kilometres (12 sq mi) of hardened lava laid down by the last major eruption of Mount Fuji in 864 CE.Subsequently, question is, why is the sea of trees Rated PG 13? “The Sea of Trees” is rated PG-13 (Parents strongly cautioned). Cancer, corpses and cultural condescension. Likewise, people ask, where was Sea of Trees filmed? Matthew McConaughey films The Sea of Trees in Massachusetts town of Worcester. Matthew McConaughey and filmmaker Gus Van Sant based their new movie The Sea of Trees in Worcester, Massachusetts, doubling the area for Japan.Is the sea of trees on Netflix?The Sea of Trees. A brooding American unable to cope with personal crisis travels to “suicide forest” near Mount Fuji, where he meets a fellow lost wanderer.