Umanose

馬ノ背

北海道駒ヶ岳レベル２（火口周辺規制） · issued October 2 at 07:30

Nanae, Hokkaido · Elevation 862 m

Part of the ridge bordering the southern side of Hokkaido-Komagatake’s crater floor, it was shaped by summit collapse during the 1929 eruption. The Akaigawa trail gate closed when the volcanic alert level rose to 2 on October 2, 2026.

Umanose at a glance

Weather: The most settled day in the next 7 days is Thu, November 5: clear, gusts up to 6 m/s. Fri, Nov 6, Sat, Nov 7, Sun, Nov 8: strong wind (gusts up to 22 m/s).
Route: The shortest is Hokkaido-Komagatake Akaiigawa Trail to Uma-no-Se Out-and-Back: about 2 h 30 min, 3.8 km, about 410 m of climbing.

Umanose weather (hourly, 14 days)

Sunrise today 06:11, sunset 16:30

		Tue, 11/3					Wed, 11/4										Thu, 11/5								Fri, 11/6								Sat, 11/7								Sun, 11/8								Mon, 11/9						Tue, 11/10				Wed, 11/11				Thu, 11/12				Fri, 11/13				Sat, 11/14				Sun, 11/15				Mon, 11/16				Tue, 11/17
Japan time		15	17	19	21	23	1	3	5	7	9	11	13	15	18	21	0	3	6	9	12	15	18	21	0	3	6	9	12	15	18	21	0	3	6	9	12	15	18	21	0	3	6	9	12	15	18	21	0	3	6	9	15	21	3	9	15	21	3	9	15	21	3	9	15	21	3	9	15	21	3	9	15	21	3	9	15	21	3	9	15	21	3	9	15

Temperature	°C	3°	0°	-1°	-1°	0°	0°	2°	1°	0°	3°	5°	6°	5°	-1°	-1°	-2°	-2°	0°	6°	10°	9°	5°	6°	5°	6°	5°	9°	11°	6°	2°	0°	-2°	-3°	-4°	-2°	-2°	-2°	-3°	-3°	-4°	-4°	-4°	-2°	-1°	-2°	-3°	-3°	-3°	-4°	-4°	-2°	-2°	-6°	-5°	-2°	-1°	-2°	-3°	-2°	1°	-3°	-5°	0°	0°	-4°	-4°	-3°	-2°	-4°	-5°	0°	2°	-4°	1°	3°	7°	4°	2°	1°	0°	-4°	-4°	-1°	1°
Precipitation	mm					0.2	3.9	1.0																0.4	2.0	0.1	0.9			1.2	0.2		0.4	0.4	0.5	0.6	0.7	0.5	0.5	0.4	0.2	0.1																0.2	4.8	2.6				0.5	0.8	0.1		0.3								0.5	0.6	0.9	3.5	2.3	1.8
New snow	cm						0.4	<.1																									0.2	0.4	0.5	0.6	0.7	0.5	0.5	0.4	0.2	0.1	<.1	<.1	<.1	<.1							<.1					0.2	4.1	2.0	<.1			0.2	<.1	<.1		0.3														<.1
Snow depth	cm	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	<1	<1	<1	1	1	1	1	1	1	1	1	1	<1	<1	<1	<1	<1	<1	<1	<1	<1	<1	<1	<1	<1	3	3	2	2	2	2	1	1	1	1	1	1	1	1	1	1	<1	<1	<1	<1	0	0	0	0	0	0	0
Wind	m/s	5	3	2	3	3	5	4	4	4	4	3	1	2	2	2	2	2	1	0	1	2	0	0	1	1	2	3	5	6	6	7	6	6	6	8	8	7	6	6	7	7	6	8	8	7	5	4	3	3	2	5	4	2	2	0	3	5	5	3	3	1	1	2	3	2	3	5	5	3	1	1	3	2	2	3	3	3	2	5	6	5	3	3	4
Wind gusts	m/s	14	13	9	9	11	16	17	13	12	12	11	8	6	6	7	6	7	6	4	5	6	5	4	5	5	6	10	13	17	17	20	20	19	19	19	21	21	19	18	18	19	19	21	22	22	19	14	12	9	9	13	13	11	7	6	9	14	14	13	10	9	5	8	13	9	9	14	14	12	8	4	9	8	8	10	10	9	10	12	18	16	13	10	10
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