Heilong Mountain - Introduction to the new volcanic geological sightseeing area: Heilong Mountain (Old Black Mountain) and Huoshao Mountain are the core areas of Wudalianchi. The main attractions are Heilong Mountain (Old Black Mountain), the crater on the top of the mountain, Stone Sea, Fairy Palace, Huoshao There are a total of 59 places including mountains, jet cones, bonsai gardens, stone dragon moss gardens, and colorful beaches. Laoheishan is the tallest of the 14 volcanoes. There is a volcanic lava cave in the northeast corner of the mountain. The lava in the cave hangs upside down and the scenery is diverse. Fire bombs of different sizes can be seen everywhere on the slopes of Huoshao Mountain.