Iwami Tatagaura

Iwami Tatamigaura is a natural monument designated by the government where you can see strata from 16 million years ago. You can see seat-shaped rocks and fossilized shells, whale jawbones, and fossilized driftwood created by wave erosion. If you're interested in fossil hunting, try looking closely at the rocky areas of Iwami Tatamigaura. Fossils of shells and fish can also be found as the strata are solidified by calcium carbonate contained in the gravel rock. However, fossil collection on the rocky areas of Iwami Tatamigaura is prohibited as it is designated as a natural monument by the government. To enjoy it safely, it's recommended to understand the rules and manners beforehand and enjoy fossil hunting and viewing!

At Ishimijatogaura, Senjojiki and Nojiru Rocks are one of the main attractions. Senjojiki is a scenic landscape resembling a cliff created by the uplift of the seabed. It is a stepped rocky area formed by wave erosion as the sea transitions to land, stretching about 850 meters wide. It was named after the flat surfaces resembling tatami mats. Fossils such as shells and whales dating back approximately 16 million years can be seen in the rock layers. On the other hand, Nojiru Rocks are cone-shaped rocks formed by volcanic activity and erosion and weathering by seawater. Various sizes of Nojiru Rocks are scattered throughout Ishimijatogaura, and they are sometimes called "Oni no Sentakuiwa" (The Devil's Washboard) due to their fantastic shapes and mysterious atmosphere. It is said that the Nojiru Rocks in this area are made from rock layers dating back approximately 250 million years, making them the oldest in Japan. Senjojiki and Nojiru Rocks in Ishimijatogaura are popular tourist spots with a mystical landscape created by nature. You can learn about their history and unique features and experience the beauty of natural formations.

The Sainokawara Cave (Marine Erosion Cave) in Iwami Tatagaura is a cave created by the erosion of waves and is considered one of the highlights of Iwami Tatagaura. The cave is located at the end of a tunnel and upon entering, you will find a spacious area with a high ceiling. Inside the cave, there are many holes formed by wave erosion and unique shaped rocks, allowing you to feel the world of shallow seas from about 16 million years ago. Additionally, light shines into the cave, creating a mysterious atmosphere. This cave is a must-see for tourists and is especially recommended for photography.

At Ishimi Tatagaura, there are fossils of the Nomura's jellyfish called the "Happy Shell". According to the local guide board, finding the Happy Shell is said to bring happiness and has attracted the attention of visiting tourists. This shell lived in shallow seas about 16 million years ago, and many Nomura's jellyfish fossils have been discovered in Ishimi Tatagaura. There is a sign with an explanation of the Happy Shell on site, and travelers can enjoy exploring to see if they can find the Happy Shell. This is a particularly popular experience in Ishimi Tatagaura, so why not try to find the Happy Shell when you visit?

Shimane Aquarium Aquas is an aquarium located within the Shimane Prefectural Iwami Seaside Park. Aquas not only displays various marine life, but also has a playground called Aquas Land. Admission is 1,550 yen for adults, 500 yen for elementary, junior high, and high school students, and free for preschoolers. The opening hours are from 9:00 to 17:00, and from July 20th to August 31st, it's open until 18:00. In addition, various events are held at Aquas, making it the perfect place to create memories with family and friends. Located near Iwami Tatagahama, why not enjoy Aquas Land to the fullest while experiencing the charm of marine life when you visit?