Question: What is the name of this forest on the northwestern flank of Japan's Mount Fuji near Fuji Five Lakes that is known to provide visitors with a sense of solitude?
Sentence (from "Aokigahara"): Aokigahara (青木ヶ原 ) , also known as the Suicide Forest or Sea of Trees (樹海 , Jukai ) , is a forest on the northwestern flank of Japan's Mount Fuji thriving on 30 square kilometers (12 square miles) of hardened lava laid down by the last major eruption of Mount Fuji in 864 CE.
Relevant evidence: Yes