Onsen in the context of "Ōita Prefecture"

Tochigi Prefecture (栃木県, Tochigi-ken) is a landlocked prefecture of Japan located in the Kantō region of Honshu. Tochigi Prefecture has a population of 1,897,649 (1 June 2023) and has a geographic area of 6,408 km (2,474 sq mi). Tochigi Prefecture borders Fukushima Prefecture to the north, Gunma Prefecture to the west, Saitama Prefecture to the south, and Ibaraki Prefecture to the southeast.

Utsunomiya is the capital and largest city of Tochigi Prefecture, with other major cities including Oyama, Tochigi, and Ashikaga. Tochigi Prefecture is one of only eight landlocked prefectures and its mountainous northern region is a popular tourist region in Japan. The Nasu area is known for its onsens, local sake, and ski resorts, the villa of the Imperial Family, and the Nasushiobara station of the Shinkansen railway line. The city of Nikkō, with its ancient Shintō shrines and Buddhist temples, is a UNESCO World Heritage Site.

Hakone (箱根町, Hakone-machi) is a town in Kanagawa Prefecture, Japan. As of 1 October 2023, the town had a population of 10,965, and total area of 92.82 km (35.84 sq mi).

Hakone is a notable spa town and a popular tourist destination due to its many hot springs being within view of nearby Mount Fuji, the most visited mountain in Japan.

Nikkō (日光市, Nikkō-shi; IPA: [ɲikkoꜜːɕi]) is a city in Tochigi Prefecture, Japan. As of 2 December 2020, the city's population was 80,239, in 36,531 households. The population density was 55 persons per km. The total area of the city is 1,449.83 square kilometres (559.78 sq mi).

Nikkō is a popular destination for Japanese and international tourists. Attractions include the mausoleum of shōgun Tokugawa Ieyasu at the Nikkō Tōshō-gū shrine, and that of his grandson Tokugawa Iemitsu (Iemitsu-byō Taiyū-in), along with Futarasan shrine, which dates to the year 767. There are many famous onsen (hot springs) in the area. Elevations range from 200 to 2,000 meters.

Nozawaonsen (野沢温泉村, Nozawaonsen-mura) is a village located in Nagano Prefecture, Japan. As of 1 April 2019, the village had an estimated population of 3,653 in 1,395 households and a population density of 63 persons per km². The total area of the village is 57.96 square kilometres (22.38 sq mi).

A spa is a location where mineral-rich spring water (sometimes seawater) is used to give medicinal baths. Spa health treatments are known as balneotherapy. The belief in the curative powers of mineral waters and hot springs goes back to prehistoric times. Spa towns, spa resorts, and day spas are popular worldwide, but are especially widespread in Europe and Japan.

Itō (伊東市, Itō-shi; Japanese pronunciation: [itoː, itoꜜːɕi]) is a city located on the eastern shore of the Izu Peninsula in Shizuoka Prefecture, Japan. As of 1 August 2023, the city had an estimated population of 63,343 and a population density of 510 persons per square kilometer. The total area was 124.13 square kilometres (47.93 sq mi).

Hachijō-jima (Japanese: 八丈島) is a volcanic island of Japan in the Pacific Ocean. It is about 287 km (178 mi) south of the special wards of Tokyo. It is part of the Izu archipelago and within the Fuji-Hakone-Izu National Park. Its only municipality is Hachijō. On 1 March 2018, its population was 7,522 people living on 63 km. Some inhabitants speak Hachijō language, which is considered an endangered language and the number of speakers is unknown. The island has been inhabited since the Jōmon period, and was used as a place of exile during the Edo period. In modern times, it has been used for farming sugarcane and housing a secret submarine base during World War II; it is now a tourist destination within Japan.

Hachijō-jima receives about 3,000 mm (120 in) of precipitation annually. With a humid subtropical climate, and an average high temperature of 21 °C (70 °F), the island and the surrounding ocean support a wide variety of sea life, birds, mammals, plants, and other life. The tallest peak within the Izu Islands, a Class-C active volcano, is located there. Transportation to the island is either by air or ferry. There are many Japanese-style inns, hot spring resorts, and hotels to accommodate tourists and visitors. The island is a popular destination for surfers, divers and hikers. It has several local variations on Japanese foods, including shimazushi and kusaya, as well as many dishes that include the local plant ashitaba.

Nagashima Spa Land (ナガシマスパーランド, Nagashima Supā Rando) is an amusement park and vacation resort in Kuwana, Mie, Japan, about 30 km west of Nagoya. It opened in 1966, and features an amusement park with several roller coasters, thrill rides, kiddie rides, a water park (open only in the summer), a hot springs complex, an outdoor outlet mall, and 3 official hotels.

In 2022, Nagashima Spa Land hosted 4.2 million visitors, making it the 21st-most visited amusement park in the world and the fourth-most visited in Japan behind Tokyo Disneyland, Tokyo DisneySea and Universal Studios Japan that year.

The Toyohira River (豊平川, Toyohira-gawa) is a river in Hokkaido, Japan. It is 72.5 km in length and has drainage area of 894.7 km². It is a tributary of the Ishikari River.

It supplies water to Sapporo city, the capital of Hokkaido built on the alluvial fan formed by the river. Jōzankei is a popular attraction with onsen (hot springs) along the upper Toyohira.