Hōdatsushimizu (宝達志水町, Hōdatsushimizu-chō) is a town located in Hakui District, Ishikawa Prefecture, Japan. As of 31 January 2018, the town had an estimated population of 13,418 in 4962 households, and a population density of 84 persons per km. The total area of the town was 111.52 square kilometres (43.06 sq mi). In 2013, the Food and Agriculture Organization recognised Hōdatsushimizu under its Globally Important Agricultural Heritage Systems (GIAHS) programme as a sustainable agricultural model.

Hōdatsushimizu occupies the southern neck of Noto Peninsula, facing the Sea of Japan to the west and Toyama Prefecture to the east. It is one hour from Kanazawa by train. Mount Hōdatsu, the highest mountain in the Noto Peninsula, is in Hōdatsushimizu. The town has a humid continental climate (Köppen Cfa) characterized by mild summers and cold winters with heavy snowfall. The average annual temperature in Hōdatsushimizu is 13.3 °C. The average annual rainfall is 2435 mm with September as the wettest month. The temperatures are highest on average in August, at around 25.9 °C, and lowest in January, at around 2.1 °C.

• Ishikawa Prefecture
  • Hakui
  • Kahoku
  • Tsubata
• Toyama Prefecture
  • Himi
  • Takaoka

Per Japanese census data, the population of Hōdatsushimizu has declined over the past 40 years.

Historical population

Year	Pop.	±%
1970	17,107	—
1980	17,115	+0.0%
1990	16,897	−1.3%
2000	15,891	−6.0%
2010	14,277	−10.2%
2020	12,121	−15.1%

The area around Hōdatsushimizu has been settled since the Japanese Paleolithic period, and remnants of Jōmon period and Yayoi period settlements have been found in many areas. The area was part of ancient Noto Province from the Nara period. During the Sengoku Period, the area was contested between the Hatakeyama clan, Uesugi clan and Maeda clan. The Siege of Suemori (1584) occurred in what is now part of the town. The area became part of Kaga Domain under the Edo period Tokugawa shogunate, and was noted for its gold mine Following the Meiji restoration, the area was organised into Hakui District, Ishikawa.

The modern town of Hōdatsushimizu was formed March 1, 2005 from the merger of the towns of Oshimizu and Shio, and its name is a compound of these former names (Shio + Oshimizu).

Agriculture is important to the local economy.

Hōdatsushimizu has five public elementary schools and one public middle school operated by the town government, and one public high school operated by the Ishikawa Prefectural Board of Education.

West Japan Railway Company - Nanao Line

• Menden - Hōdatsu - Shikinami

National Route 159

National Route 249

National Route 415

National Route 470

National Route 471

• Chirihama Nagisa Driveway
• Mount Hōdatsu, Hōdatsu
• Sandenkanaya Kofun, National Historic Site

• 
  Mount Hodatsu
• 
  Chirihama-Nagisa drive-way

Hōdatsushimizu's mascot is Hoppy-san (ほっぴーさん), a fairy from Mount Hodatsu. He is usually laid-back and calm. He tends to promote everything that his town has to offer and checks out any latest trends surrounding not just Hōdatsushimizu but also Japan and the rest of the world. He ends his sentences with "~dappi" (～だっぴ).

• Media related to Hōdatsushimizu, Ishikawa at Wikimedia Commons
• Official website (in Japanese)