Photo: Abasaa, Public domain via Wikimedia Commons
Marine park.
Kamogawa Sea World is a large scale comprehensive marine leisure center/museum equivalent facility located between the Tojo coast and Japan National Route 128 in Kamogawa city, Chiba Prefecture, Japan. It is not affiliated with SeaWorld in any way and is operated by Granvista Hotels & Resorts Co., Ltd. It is a public aquarium and is also a member of the Japanese Association of Zoos and Aquariums (JAZA). In 2021, the park celebrated the 50th anniversary of its opening. The aquarium is accredited as a Museum-equivalent facilities by the Museum Act from Ministry of Education, Culture, Sports, Science and Technology.
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マザー牧場
A farm where kids can pet cows, alpacas and other animals. At the pig race, kids direct their pig to the finish line as fast as possible. Also. Free on rainy days, but not everything is free inside.
鋸山
Meaning "sawtooth mountain", Nokogiriyama is a group of Buddhist temples cut into sheer cliffs. A rope-way gondola will take you up to the top, and on a clear day you'll have a spectacular 180-degree panorama spanning Chiba, Tokyo, and Yokohama to the north, Mount Fuji to the west, and Izu Oshima and Niijima to the south. Even on a so-so day, Yokosuka should be visible across Tokyo Bay. The most popular vantage point is Jigoku-nozoki (地獄覗き, "peering into hell") a small rock platform which sticks out over cliff. In the other direction you can see the low mountains of the interior Boso peninsula. From the peak, paths descend inland through the woods down to Nihonji (日本寺). The temple, built in 725 CE, has a stone Buddha statue that, at a total height of 31.05 meters, is in fact one of the largest Buddha statues in Japan. From the Tokyo area, you can get to Nogokiriyama via the Tokyo Bay ferry from Kurihama (south of Yokohama) for ¥1000. There are buses from the JR and Keikyu stations to the Tokyo-Wan Ferry Terminal, or you can walk (20 minutes). On the Chiba side, Hamakanaya station is at the foot of the mountain and the ferry terminal is about 500 m further away. Most people take the ropeway (¥500 one-way, ¥930 two ways) but good hikers should hike through the nice forest, 50 minutes before reaching the cliff where you can see the caves from below, very impressive. You might even spot a few old excavation machines. It should be taken into consideration that if you choose to descend the entire mountain on foot there is a long walk to the nearest rail station, the Hota JR station, with very infrequent service. If you have a car, you can take the non-free road that leads to the same place as the rope-way, but starts from further south. The entire area at the top of the rocks is a temple with a ¥600 entry fee. The ropeway station has a small free museum explaining rock excavation.
東京ドイツ村
Reconstructed half-timbered houses and bratwurst meals. Because why not.