List of dams in Nagano Prefecture
# List of dams in Nagano Prefecture

The following is a list of dams in Nagano Prefecture, Japan.

## List

| Name | Location | Opened | Height (meters) |
| - | - | - | - |
| Achibake Dam | 35°57′37″N 138°38′35″E | | |
| Akiyama Dam | | | |
| Amekawa Dam | 36°11′5″N 138°33′7″E | | |
| Asakawa Dam | 36°41′26″N 138°11′28″E | 2016 | 53 |
| Azusako Dam | 35°57′32″N 138°40′14″E | | |
| Dorogawa Dam | 36°19′31″N 138°34′28″E | | |
| Haino Dam | 36°37′50″N 138°20′47″E | | |
| Hiraoka Dam | 35°16′57″N 137°50′48″E | 1951 | 62.5 |
| Higashijo Dam | 36°22′54″N 138°3′36″E | | |
| Himekawa No.2 Dam | 36°43′8″N 137°53′5″E | 1935 | |
| Himekawa No.3 Dam | 36°48′50″N 137°54′29″E | | |
| Horikirizawa Dam | 36°39′53″N 138°11′35″E | | |
| Ikusaka Dam | 36°25′27″N 137°56′17″E | 1964 | 19.5 |
| Ikuta Dam | | | |
| Inagawa Dam | 35°41′30″N 137°44′21″E | 1977 | 43 |
| Inekoki Dam | 36°10′6″N 137°46′16″E | 1968 | 60 |
| Iwakura Dam | 35°17′2″N 137°42′32″E | 1936 | 25 |
| Kanabara Dam | 36°24′30″N 138°21′44″E | | 36.5 |
| Katagiri Dam | 35°37′15″N 137°51′27″E | | 59.2 |
| Kiso Dam | 35°49′11″N 137°40′40″E | | 35.2 |
| Kitayama Dam | 36°28′58″N 138°3′4″E | 1999 | 43 |
| Kosaka Dam | 36°15′54″N 138°32′55″E | | 38.5 |
| Koshibu Dam | 35°36′25″N 137°58′44″E | | 105 |
| Koya Dam | 36°7′26″N 138°35′37″E | | 48.5 |
| Kurokawa Dam | 35°51′19″N 137°42′25″E | | |
| Kurosawa Dam | 36°14′53″N 137°48′58″E | | |
| Lake Kutsuzawako Dam | 36°6′53″N 137°54′11″E | | 27.4 |
| Makio Dam | 35°49′27″N 137°36′10″E | | |
| Matsukawa Dam | 35°31′52″N 137°46′41″E | 1974 | |
| Midono Dam | 36°9′14″N 137°44′53″E | | 95.5 |
| Lake Midoriko Dam | 36°5′31″N 137°59′39″E | | 22 |
| Minakata Dam | 35°42′12″N 137°57′27″E | | |
| Miure Dam | 35°49′27″N 137°23′38″E | 1945 | 83.2 |
| Minamiaiki Dam | 36°0′18″N 138°39′11″E | 2005 | 136 |
| Minochi Dam | 36°34′22″N 138°2′44″E | 1943 | 25.3 |
| Minowa Dam | 35°55′41″N 138°1′50″E | 1992 | 72 |
| Misogawa Dam | 35°58′38″N 137°46′12″E | 1996 | 140 |
| Lake Misuzuko Dam | 36°15′49″N 138°1′1″E | 1951 | 19 |
| Miwa Dam | 35°48′51″N 138°4′45″E | | |
| Mizukami Dam | 36°21′1″N 138°2′23″E | | 38 |
| Murosawa Dam | 36°26′42″N 138°2′39″E | | |
| Nagawado Dam | 36°7′58″N 137°43′6″E | 1969 | 155 |
| Nanakura Dam | 36°29′25″N 137°44′8″E | | 125 |
| Nagai Dam | 36°26′55″N 138°6′18″E | | |
| Narai Dam | 35°56′7″N 137°48′32″E | | 60 |
| Nishiotaki Dam | 36°58′37″N 138°29′5″E | | |
| Nishiura Dam | 36°19′26″N 138°24′48″E | | |
| Otagiri Dam | 36°37′12″N 138°7′23″E | 1954 | 21.3 |
| Okubo Dam | | | |
| Okususobana Dam | 36°43′30″N 137°58′0″E | | |
| Ōmachi Dam | 36°30′53″N 137°46′52″E | 1985 | |
| Onikuma Dam | 36°25′8″N 137°59′59″E | | 36.5 |
| Otakigawa Dam | 35°48′25″N 137°27′21″E | | 18.2 |
| Saigawa Dam | 36°18′26″N 137°55′51″E | 1923 | |
| Sasadaira Dam | 36°36′26″N 138°4′56″E | | 19.3 |
| Sawando Dam | | | |
| Sayamaike Dam | 36°19′41″N 138°10′9″E | | |
| Sebadani Dam | 36°10′13″N 137°38′1″E | | 22.7 |
| Shionoiri Dam | 36°22′57″N 138°8′20″E | | 18.5 |
| Sugadaira Dam | 36°30′8″N 138°20′56″E | | 41.8 |
| Susado Dam | | | |
| Susobana Dam | 36°40′6″N 138°7′12″E | 1969 | |
| Taira Dam | 36°28′41″N 137°57′13″E | | 19.5 |
| Takase Dam | 36°28′26″N 137°41′25″E | | 176 |
| Takato Dam | 35°49′46″N 138°3′47″E | | 30.9 |
| Tatsugasawa Dam | | | |
| Tokiwa Dam | 35°50′21″N 137°37′31″E | | 24.1 |
| Toyooka Dam | 36°37′15″N 138°22′41″E | 1994 | 81 |
| Uchimura Dam | 36°17′35″N 138°6′40″E | | 51.3 |
| Wachino Dam | 35°17′55″N 137°47′22″E | | |
| Yamaguchi Dam | 35°35′12″N 137°34′13″E | 29 Dec 1957 | 38.6 |
| Yasuoka Dam | 35°22′49″N 137°48′38″E | | 50 |
| Yatategi Sabo Dam | | | |
| Yoji Dam | 36°9′36″N 138°33′58″E | | 42 |
| Yokokawa Dam | 35°58′54″N 137°54′19″E | | 41 |
| Yomikaki Dam | 35°39′32″N 137°37′13″E | | 32.1 |
| Yukawa Dam | 36°18′34″N 138°32′36″E | | 50 |
| Yunose Dam | 36°39′50″N 138°8′0″E | | 18 |
