Kumamoto City Local Quiz Practice: Questions and Explanations

Correct answerGroundwater

All of Kumamoto City's tap water comes from groundwater, drawn up largely without the chemical treatment most municipal water requires. The aquifer beneath the city is fed by rain that seeps slowly through volcanic ash plains left by Mount Aso's eruptions and through paddy fields further upstream, a natural recharge process the city depends on to keep the supply flowing.

Source:世界に誇る地下水都市・熊本

Correct answerDaimyo garden

Suizenji Jojuen is a daimyo garden begun in 1636 by Hosokawa Tadatoshi, the first lord of the Higo-Kumamoto domain, and brought to its present scale under the third lord, Tsunatoshi. Mounds arranged around the central pond are said to echo scenery along the fifty-three post stations of the Tokaido road, including one shaped to resemble Mount Fuji.

Source:水前寺成趣園

Correct answerFalse

Kumamoto Castle stands in Kumamoto City's Chuo Ward, well apart from Aso City. It is known as the castle Kato Kiyomasa began building in 1601 and completed six years later, and it is famous for its curved stone walls, called musha-gaeshi, that grow steeper toward the top to make climbing them nearly impossible.

Source:重要文化財 熊本城

Correct answerKumamoto City Tram

The Kumamoto City Tram runs through the city center on two lines: the A line between Tasaki Bridge and Kengun-machi, and the B line between Kami-Kumamoto and Kengun-machi. Running on rails set directly into the street, it has long carried residents to work, school, and the shops that line its route.

Source:熊本市観光マップ

Correct answerMustard miso

Karashi renkon is a Kumamoto specialty made by stuffing lotus-root holes with mustard-mixed miso, coating the piece in batter, and frying it. Legend traces its origin to a retainer who served it to Hosokawa Tadatoshi, the domain's frail first lord, who loved the dish so much that it became a prized nourishing food at court.

Source:辛子蓮根

Correct answerSweet potato

Ikinari dango is a Kumamoto sweet made by wrapping sliced sweet potato and sweet red-bean paste in wheat-flour dough and steaming the whole parcel. Its appeal lies in the contrast between the soft, chewy skin straight out of the steamer and the natural sweetness of the potato tucked inside.

Source:いきなり団子

Correct answerGlass noodles

Taiping-yen is a hearty Chinese-style soup built around glass noodles, combined with pork, shrimp, and a fried whole egg. It is popular enough in Kumamoto City that some schools serve it in lunch programs, and the mix of ingredients varies slightly from one household's recipe to the next.

Source:太平燕

Correct answerTrue

Shimotori Arcade is described as the largest shopping arcade in Kumamoto Prefecture and forms the heart of central Kumamoto City's downtown. Covered from end to end, the arcade lets shoppers walk in comfort regardless of rain or summer sun, drawing crowds on weekdays and weekends alike.

Source:下通アーケード

Correct answerTrue

Kumamon was created as Kumamoto Prefecture's PR character, originally conceived as a small bonus alongside the logo unveiling for the "Kumamoto Surprise" campaign timed to the Kyushu Shinkansen's full opening. The design, by creative director Manabu Mizuno, drew far more attention than planned and became the prefecture's signature mascot.

Source:5分でわかる熊本の魅力

Correct answerTrue

Fujisaki Hachimangu was founded in 935 through an imperial invitation from Iwashimizu Hachimangu, prayed for to help suppress a rebellion, and its Reitaisai festival is beloved as the event that heralds autumn in Kumamoto. One legend traces the shrine's name to a wisteria branch, carried in a procession, that took root in the ground.

Source:熊本に秋の訪れを告げる 藤崎八旛宮例大祭

Correct answerUN “Water for Life” Best Award

Kumamoto City's groundwater conservation work rests on decades of steady monitoring of both water quality and quantity. The United Nations "Water for Life" Best Practices Award recognized that record internationally, crediting not just city government but also residents and businesses for sustaining the effort together over the long term.

Source:世界に誇る地下水都市・熊本

Correct answerNitrate nitrogen

Because Kumamoto City depends entirely on groundwater, nitrate nitrogen seeping in from livestock waste and fertilizer use has become a quality concern, tracked and addressed under a dedicated reduction plan. It is one of the quieter, ongoing efforts behind keeping the city's abundant groundwater fit to pass on to future residents.

Source:第3次熊本市硝酸性窒素削減計画

Correct answerThe full opening of the Kyushu Shinkansen

Kumamon was created in 2010 to promote Kumamoto Prefecture's tourism and local products ahead of the Kyushu Shinkansen's full opening, which was scheduled for March 2011. Recognition was modest at first, but the character's activities afterward spread its fame well beyond the prefecture, until it became one of the region's most recognizable symbols.

Source:5分でわかる熊本の魅力

Correct answerThe Musee d'Orsay in Paris

Kamitori Arcade is known for its bright, arched glass roof, said to have been designed with the great hall of Paris's Musee d'Orsay in mind. It faces Shimotori Arcade across the Tomachisuji tram street, and together the two covered streets make central Kumamoto City easy to wander between on foot.

Source:上通アーケード

Correct answerMore than 200 years

The Hosokawa family governed the Higo-Kumamoto domain for more than 200 years, from their arrival in 1632 in place of the Kato clan until the abolition of the domain system in the Meiji era. Successive lords, beginning with Tadatoshi, invested heavily in developing the castle town and promoting scholarship and culture.

Source:熊本市のプロフィール

Correct answerHosokawa Tadatoshi

The founding of Suizenji Jojuen is linked to Hosokawa Tadatoshi, the domain's first lord, and the garden's name is said to come from the clear spring water welling up on the grounds. Tadatoshi built the garden to make the most of that abundant water, and it was carefully passed down as a Hosokawa family retreat for generations.

Source:水前寺成趣園

Correct answer1871

The Janes Residence was built in 1871 as the home of L. L. Janes, an American teacher who taught at the Kumamoto Yogakko, a progressive school founded to teach the city's young people English and Western science. The school later became known for the many notable figures it sent out into Japanese society.

Source:ジェーンズ邸の復旧について

Correct answer2023

The Janes Residence, damaged in the Kumamoto earthquake, reopened to the public in 2023 after a program of conservation repairs. Having survived several relocations over its history, this Western-style building continues to be cherished as a witness to Kumamoto's early years of modern education and international exchange.

Source:ジェーンズ邸の復旧について

Correct answerKumamoto Station–Suizenji

One of the original sections of the Kumamoto City Tram ran from the area in front of Kumamoto Station to Suizenji, linking the city's gateway with a popular recreation spot and drawing riders from the start. The tram network in use today grew outward from that founding section over the decades that followed.

Source:熊本市電の開業（熊本市西区の歴史）

Correct answer1924

The Kumamoto City Tram opened in 1924, marking the start of modern public transit within the city at the time. Having run continuously for more than a century since then, it remains one of the few streetcar systems still in active service anywhere in Kyushu.

Source:熊本市電の開業（熊本市西区の歴史）

Correct answerWheat-flour batter with egg yolk

After the lotus root is stuffed with mustard miso, it is coated in a batter made from barley flour, fava-bean flour, and egg yolk before being fried. This method was long kept a closely guarded secret of the Hosokawa family, reportedly not widely shared outside the domain until the Meiji Restoration.

Source:辛子蓮根

Correct answerEasy and handy

While "ikinari" usually means "suddenly" in standard Japanese, the Kumamoto dialect uses it to mean "easy" or "simple." A well-known theory holds that the name comes from how quickly and effortlessly this steamed dumpling can be put together at home.

Source:いきなり団子

Correct answerPure-hearted and strongly principled

Higo Mokkosu describes the Kumamoto temperament as pure-hearted, strongly principled, and stubborn. Alongside Tsugaru Joppari and Tosa Igossou, it is sometimes counted among Japan's three great stubborn temperaments, a grouping often cited when comparing regional character across the country.

Source:5分でわかる熊本の魅力

Correct answerRecovery plan

The recovery plan was drawn up to guide the rebuilding of homes and neighborhoods damaged in the 2016 Kumamoto earthquake, centered on housing reconstruction, infrastructure repair, and the revival of local communities. It serves as a shared guide for residents, businesses, and government working together toward recovery.

Source:熊本市震災復興計画について

Correct answerCitizens’ shared work

Kumamoto City treats its landscape as citizens' shared work, shaping decisions about building colors, heights, and outdoor signage through ongoing dialogue between residents and city government. The underlying idea is that the town's overall appearance grows out of countless individual choices layered together over time.

Source:くまもと市の景観について

Correct answerThe fire before the Satsuma attack in the Satsuma Rebellion

Most of Kumamoto Castle's main buildings, including its keep and the Honmaru Palace, were lost to a fire that broke out just before Satsuma forces closed in during the Satsuma Rebellion. Some accounts say the defenders set the fire themselves to deny the enemy a stronghold. The present keep is a reinforced-concrete reconstruction completed in 1960.

Source:重要文化財 熊本城

Correct answerHoles at the wall base speed the flow

Because water carrying volcanic ash from Mount Aso tends to clog irrigation channels with sediment, Kato Kiyomasa built the Hanaguri channel with holes at the base of its walls that speed the current and carry sediment onward instead of letting it settle. The channel's name is said to come from its resemblance to the ring used to lead a bull by the nose.

Source:土木の神様・清正公の偉業

Correct answerThree irrigation channels

The Watariga irrigation system takes water from the Shirakawa River and divides it among three separate channels, standing as one of the flagship achievements of Kato Kiyomasa's water-management projects. The divided water once irrigated a wide stretch of paddy fields, and part of the system is still used for farming today.

Source:土木の神様・清正公の偉業

Correct answerLand between the new Shirakawa channel and the old course

To reduce flood risk, Kato Kiyomasa redirected the Shirakawa River into a new channel further from the castle, then put the land left between the old and new courses to use in laying out the castle town. This combined approach to flood control and urban planning still underlies the shape of central Kumamoto today.

Source:土木の神様・清正公の偉業

Correct answerFormer Machine Experiment Factory

The old machine testing plant was built as a training facility for the former Kumamoto Higher Technical School, the forerunner of Kumamoto University's engineering faculty, and still stands on that campus today as a National Important Cultural Property. Alongside the former Fifth Higher School's main building, it helps tell the story of how modern technical education took root in Kumamoto.

Source:熊本市内の国指定文化財一覧

Correct answerPlace of Scenic Beauty and Historic Site

Suizenji Jojuen was designated a National Place of Scenic Beauty and Historic Site on December 17, 1929, under Japan's cultural-property protection law. The designation rests on two grounds together: the garden's artistic composition and its value as a historic site tied to the Hosokawa family's story.

Source:熊本市歴史的風致維持向上計画（水前寺）

Correct answerFormer Fifth Higher Middle School Main Building

The Former Fifth Higher Middle School Main Building is a two-story brick structure completed in 1889, designed by Yamaguchi Hanroku and Kuru Masamichi, engineers with the Ministry of Education at the time. It still stands on the Kumamoto University campus today and is designated a national Important Cultural Property.

Source:熊本市内の国指定文化財一覧

Correct answerFour years

The earthquake recovery plan lays out four years of work, spanning everything from rebuilding housing to reviving local communities. It moves through stages, from emergency response toward full-scale reconstruction, building up its efforts step by step rather than all at once.

Source:熊本市震災復興計画について

Correct answerNational Treasure designation

Some of Kumamoto Castle's surviving buildings were once designated National Treasures under Japan's prewar National Treasure Preservation Law, a status later reclassified as Important Cultural Property once the postwar Law for the Protection of Cultural Properties took effect. The change in designation traces the evolution of Japan's cultural-heritage system itself.

Source:重要文化財 熊本城

Correct answerChuo Ward

Kumamoto Castle's Important Cultural Property buildings stand in Kumamoto City's Chuo Ward, close to city hall and the central shopping streets. The fact that the old castle town's core became the modern downtown without shifting elsewhere shows just how tightly the castle and the city grew up together.

Source:重要文化財 熊本城

Correct answerThe largest scale in the Shirakawa system

The Watariga irrigation system ranks as the largest within the Shirakawa River network and stands among the flagship projects of Kato Kiyomasa's water management. Water drawn from the river was divided among several channels, forming the backbone of irrigation across a wide stretch of paddy land for centuries.

Source:土木の神様・清正公の偉業

Correct answerHistoric character

Kumamoto's approach to townscape looks beyond just how roads and parks appear, weighing how to make use of the historic character built up since the castle-town era. Balancing new development against that inherited sense of place forms the foundation of how the city shapes its townscape.

Source:くまもと市の景観について

Correct answerKokin Denju-no-ma

Kokin Denju-no-ma takes its name from a moment during the Warring States period when Hosokawa Yusai transmitted the secret teachings of the Kokin Wakashu poetry anthology, and the building itself once stood within the Kyoto Imperial Palace. After several relocations, it was moved to Suizenji Jojuen in 1912 and reopened to visitors following restoration in 2010.

Source:熊本市歴史的風致維持向上計画（水前寺）

Correct answerCitizen participation

Recovery from the Kumamoto earthquake relied on more than government-led repairs; forums where residents themselves discussed the future of their neighborhoods were treated as essential. That gradual process of building consensus is credited with helping damaged local communities find their way back.

Source:熊本市震災復興計画について

Correct answerThe Folklore and Cultural Properties volume

The New Kumamoto City History includes a separate volume devoted to folklore and cultural properties, systematically recording annual customs and everyday memories that urbanization tends to erase first. Though compiled as an official municipal record, it also functions as an ethnography meant to carry local living culture forward to later generations.

Source:新熊本市史 別編 第2巻 民俗・文化財