Photo: Aimaimyi, CC BY-SA 3.0 via Wikimedia Commons
Nestled on the south shore of the lake, close to Moto-Hakone, is a picturesque Shinto shrine with torii gates in water.
The Hakone Shrine is a Japanese Shinto shrine on the shores of Lake Ashi in the town of Hakone in the Ashigarashimo District of Kanagawa Prefecture. It is also known as the Hakone Gongen (箱根権現).
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Ashinoko
Beautiful views of Mount Fuji but only on a clear day. As many tourists have found out, a visit to Lake Ashinoko does not guarantee a view of the mountain. The lake is crisscrossed by cartoonishly decorated "pirate ships".
大涌谷 Ōwakudani
Volcanic hot spot full of sulphurous springs.
箱根小涌園ユネッサン
Indoor complex featuring rapids, Dead Sea-style salt baths and jacuzzis, while the outdoor area offers waterfalls, rocks and a water slide. The popular outdoor relaxation section includes a renowned sake bath, as well as coffee, green tea and wine baths. Mori No Yu is a traditional Onsen style Japanese spring in the same complex.
箱根 彫刻の森美術館, Hakone Choukoku no Mori Bijutsukan
One of the top attractions in Hakone. Displays a wide variety of sculptures and artwork from celebrated Western and Japanese artists within a beautiful parkland setting. Also includes a dedicated Picasso pavilion (paintings and pottery).
箱根美術館
Museum with a collection of ancient Japanese earthenware. There is also a moss garden with a tearoom.
箱根写真美術館 or Hakone Shiashin Bijutsukan
Small museum with nice pictures of Hakone and Mount Fuji.