Hokkaido Police SAR Event Record (translated)

Date of SAR event: 2020/08/09 (Sun)

JP other
Male
20’s

Age

Chiba

Residence

SAR Event ID 2020-61-1
Injury

Outcome

Disaster SAR Helicopter

SAR Involved

Illness (Hypothermia)

Cause

Summer

Season

Group

Party status

N/A

Winter Activity

Google Translated Description
The two victims entered the mountain to climb a stream, and while descending a waterfall with a rope at around 7:00 p.m., one of them fell into a waterfall basin, and the other tried to rescue him, but he himself became inoperable and called 110 to be rescued. The Hokkaido Police Mountain Disaster Rescue Team and the Hokkaido Disaster Prevention Helicopter rescued the victims and took them into custody.

Extra details

Locale: Sonkyoarai-kawa (層雲峡荒井川, 874m)
Number in party: 2
Number in party requiring assistance: 2
Residence: Chiba
References: Information translated from Mountain SAR Events (2020) by the Hokkaido Police.

Original Japanese Description

遭難者2人は、沢登りのため入山し、午後7時頃滝をロープで降下中、1人が滝つぼに転落し、もう1人が救助しようとしたが自身も行動不能となり、110番で救助要請(※道警山岳遭難救助隊と道防災ヘリが遭難者を救助、収容)

Details as per Police data

年度:2020年度|番号:61|発生日:2020/08/09|曜日:日|山岳名、標高、市町村名:層雲峡荒井川 (そうんきょうあらいかわ), 874m, (上川郡上川町)|構成人数:2|遭難者数:2|居住地:千葉県|性別:男|年齢:20代|職業:大学生|態様:負傷|原因:病気(低体温症)

出典:山岳遭難発生状況(令和2年)(北海道警察)

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2020-61-1 Difficulty Rating

Category

Grade

Points

Strenuousness

Vertical Gain

D

25

Time ascending

D

0

Technicality

Altitude

D

0

Hazards

D

Navigation

D

Totals

25/100

GRADES range from A (very difficult) to D (easy). Hazards include exposure to avalanche and fall risk. More details here. Rating rubric adapted from Hokkaido Yukiyama Guidebook 北海道雪山ガイド.