Kuro

Shin Kuro
River BridgeRiver

Kaminozoki-machi

Shirotori-machi

Hoji-machi

Doju Bridge

Kita-machi

137

Sekihara Minami
Kaminozoki-machi Nishi

Isurugi-machi

Nagaoka Fire Station
Sekihara Branch●142143

D
Sekihara-machi

Minami Nanoka-machi

erRivbuSho

Yuyu Kenkomura Hospital●Nagamine-machi

Shinsan

Ojima-machi

Eisei Bridge

Saizu Minami-machi

Nishizu-machi

Minamijima Shinden

enix

Oha

shi B

Shimoyama-machi●
255

62 Miyabara

Sakon-machi

ridge

Sanwa-machi
Miyauchi-machi
Sakon

SawadaMiyauchiKaname-chodoo RiverJo131

ShinanNakazawa Bridge

ImamiyaBridge61

ImaiMiyasakae

59

Shinmizunashi
Bridge Heijima

60

Miyauchi-machi
Higashimiyauchi-machi
NagaokaFire Station
Miyauchi Branch●Miyauchi
Station63

Mizunashi-machi

iverNishinorve

Ri

SasazakiNishi Miyauchi

Omiya-machi
Imai-machi

Kamitomioka

64 65
66

MiyauchiOta River Bridge

Heijima-machi

Su R

Saizu-machi

NagaokaFire Station● 2Senzai

5 Sanwa

Pho

IijimaKamitomioka-machi

143

Kitano129

Minami-machi

Senju

Saiwai-cho

Shimoyama

132

●
●追廻橋

8 6 7

Nishisenju

Kitayama

Fukuda-machi

ながおか市民センター
●

❼
●

平潟橋

KusozuOjima Hon-cho

Saizu Higashi-machi

ShinyoNagaoka Ryoikuen●
Tamiya Hospital ●❽●58kibogaoka Minami
57

Saizu Nishi-machi

Fujihashi❻●
長岡市社会福祉センター

Chosei Bridge

Ojima Shin-machi

Mitsugoya

56

Shinsan Higashi-machi

128

Shibumi
River

大手通庁舎

Oyama

Fukuda Bridge

Takatera-machi

9

Ota

esswayKan-etsu Expr

123
Oaza Higoshi

Midori-cho

Magariara-machi
Sasabana

Koshiji Nakazawa

Settaya
Fukasawa-machi

130

Aoyamashin-machi

ineinLin-Kamiya

Fukasawa Water Level
Monitoring Camera Station

Sawagejo

Kamiya Bridge

Sento Bridge

moKar

LegendUp to 0.5 meters

168

From 0.5-3.0 meters

Anticipated Zones of Flooding and Destruction of Houses：

From 3.0-5.0 meters

Flood Flow (powerful ﬂow)

Aoshima-machi

171

Raikoji

From 5.0-10.0 meters

Nagaoka Fire Station
Koshiji Branch● ● Koshiji Branch

From 10.0-20.0 meters

Riverbank Erosion (Soil is eroded.)Toyozume-machi

Ota River Bridge

Kamimaejima-machi
Take-machi

Kamimaejima

Raikoji Station

Asahi

169
Inundation Depth：

Maekawa Station

165

Mizuho Bridge
ive70

Gejo-machi

Joetsu LineShibumi Bridge

etsu

Su River Bridge

ShShibMa

Maejima-machi

erSettaya-machi

67

Aoyama-machi

Koshiji Nakajima

Rivumi

Jomyo-machi

20 m and above

Landslide Warning Area

Nakatani Bridge Ura

00 Evacuation Shelter

00 Evacuation Shelter (to be transitioned into a Social Welfare Evacuation Shelter later on)Dangerous Places during a Flood：

1 : 25,000

500

dge
Koshiji Bri
Subterranean Tunnels and Underpasses

Bridges

Joetsu Shinkansen

Oyazawa-machi

Rta

Ota Bridge

Nanyo

00 Evacuation Shelter (with a social welfare room)
Water Level Observatory

0500(m)00 Evacuation Shelters Safe for Child Rearing

River Live Camera❻︼ Nagaoka Kawanishi︵ Southern Area︶
Shibumi River❻︼ Nagaoka Kawanishi︵ Southern Area︶
Shibumi River

141

Takato-machi

Kibogaoka

Nanoka-machi

Isurugi Minami-machi

Aobadai●❹❺匠橋●idge50

eriv

nR

aom

Yokodai

52 51

0000

00 柿 川ashi Br

Fukuyama-machi

Nagaoka IC124

Ote OhNagaoka Nishi Hospital●
Mitsugoya-machi

Kita Bridge

125❸●Koshoji
Koshoji-machi

Bansho Bridge

138 140
139
Miyamoto
Horinouchi-machi

127
126

Sekihara-machi

River

Miyamoto-machi

In accordance with the Survey Act Law and approved by the Agency Executive of the Geospatial Information Authority of Japan (being used) R2JHs91

135︻Flood Warning Hazard Map︻Flood Warning Hazard Map

Predicted Precipitation【Predicted Maximum Precipitation】
2-Day Total Precipitation782㎜