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

4Kitayama

11

Saiwai-cho

Nagaoka Fire Station●Senzai

●255

Rive

Sh

Fukuda-machi

Eisei Bridge
Minamijima
Shinden

MisawaPho

enix

Sakon-machi

Oha

Shimoyama-machi

shi B

Sanwa-machi
Miyauchi-machi

ridge

Kaname-cho

Imai-machi

KitanoNishi
MiyauchiOmiya-machi

Imai

IijimaImamiyaBridgeMiyasakae

59

HeijimaMizunashi-machi

NishinoToyoda-machi

Sasazaki

61verShinmizunashi BridgeAkebonoO-machi

18
20
Jojo-machi

60

Asahioka
Higashimiyauchi-machi
Miyauchi-machi
Nagaoka Fire Station
Miyauchi Branch●Miyauchi
Station63

Ota RiverBridgeashi

Joganji Bridge⓫●

Kaminoyama Bridge⓬●

88
Oyama-machi⓭●Nishi
Katakai-machi

HigashiO-machi

Jonan Bridge

82

ShinanoRiver

A list of evacuation facilities

Taka batake
Takabatake Bridge
Ohashi Bridge
80●Tachikawa
General Hospital81

Ryo Bridge

Takabatake-machi

Suyoshi-machi

Suyosh→Refer to pp.36 ‒ 38

91
92

i River

Magariara-machi

Sasabana●Machida-machi

Nagaoka
Hoyoen79Taka-machi



Settaya

Jomyo-machi

erSu

Settaya-machi

RivRi

Aoyamashin-machi

kiver

Ka

Ota Bridge

NanyoainruM

Aoki-machi

Nakano Bridge

Shi

Jizoiwa Bridge

Ota River Bridge
Saginosu-machi

Kamimaejima-machi

Aoshima-machi

Take-machi

vero Ri
Jod

Katada-machi

68
69

Yaketa River

er

Riv

Yaketa River Bridge

Kamazawa-machi

Ota

Suwahara Bridge

Joetsu Shinkansen

Joetsu Line

Kamimaejima

geYokomakura-machi

Gejo-machi

Maekawa Station

Koshiji Brid

Kaki-machi

Toyozume-machi

Shnanin-oR

etsiveMaejima-machi70

Koshiji Bridge
Downstream

Nakago Bridge

67

Lin

Aoyama-machi

eKoshiji
Nakajima

SuwamenBridge

72
73
Takashima-machi

Muramatsu-machi

Toka-machi

Muramatsu
Ohashi Bridge
Muramatsu
BridgeKamagashima

Heisei Akebono
BridgeTakenokochi-machi

Kanjinbo Bridge
Takiya-machi

Legend

27

r

Rive

Joganji-machi

Nagakura-machi

Doai-machi
Hachibuse-machi

hSaru

90

Yukyu-cho

64 65
66

Miyauchi

Heijima-machi

Hanazono
MinamiOhashi Bridge
Nakanuki Bridge

84❿●Inundation Depth：

Up to 0.5 meters

From 0.5-3.0 meters

Anticipated Zones of Flooding and Destruction of Houses：

From 3.0-5.0 meters

Flood Flow (powerful ﬂow)

Shinano River 】 Nagaoka Kawahigashi(Central Area)

dJoRi
Ota

Shinano River 】 Nagaoka Kawahigashi(Central Area)

rveioR

SawadaMiyauchi❾●In
Riv abaer

Nishi
Katakai-machi

Nagakura
minami-machi
Nishiki

86
85

Nagakura
Nagakura
Nishi-machi
Hanazono
Higashi

Suehiro

Sakon

87

17

Hanazono

Sanwa

Nagakura-machi

Maeda

Doai

Sumiyoshi

ibumi

Shimoyama

21

Miyabarar

Nishizu-machi

Kanefusa

13

Wakakusa-machi
Nakanuki-machi【Flood Warning Hazard Map【Flood Warning Hazard Map

Predicted Precipitation【Predicted Maximum Precipitation】
00
希望が丘南2-Day Total Precipitation331㎜
00

500

Shin Koryu Bridge
From 5.0-10.0 meters
Riverbank Erosion (Soil is eroded.)

From 10.0-20.0 meters

00 Evacuation Shelter

Landslide Warning Area

Dangerous Places during a Flood：

00 Evacuation Shelter (to be transitioned into a Social Welfare Evacuation Shelter later on)
Subterranean Tunnels and Underpasses

Bridges

1 : 25,000
0500(m)00 Evacuation Shelter (with a social welfare room)

River Live Camera

28