Mount Onagi

大凪山

Ōmachi-shi, Nagano · Elevation 2,079 m

Mount Onagi is a 2,079 m mountain in Omachi City, Nagano Prefecture. It lies within Chubu Sangaku National Park, on the hiking route from the Shirasawa trailhead to Gakidake.

Mount Onagi at a glance

Weather: The most settled day in the next 7 days is Wed, November 4: clear, gusts up to 8 m/s. Sat, Nov 7: strong wind (gusts up to 16 m/s).

Mount Onagi weather (hourly, 14 days)

Sunrise today 06:13, sunset 16:52

		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	4°	0°	-2°	-2°	-3°	-3°	-2°	-2°	-1°	3°	6°	8°	7°	2°	3°	2°	3°	3°	5°	6°	9°	5°	5°	5°	4°	4°	6°	8°	7°	3°	1°	-1°	-3°	-4°	-3°	-2°	-3°	-5°	-7°	-8°	-8°	-6°	0°	4°	1°	-2°	-2°	-2°	-2°	-2°	0°	1°	-7°	-7°	0°	3°	-1°	-5°	-4°	-2°	-6°	-7°	0°	2°	-7°	-3°	-2°	0°	-6°	-6°	2°	5°	-3°	-4°	4°	5°	2°	3°	5°	3°	-3°	-4°	-1°	2°
Precipitation	mm	0.7	0.4	0.4												0.1	2.1	10	8	7	1.5		0.4	0.6		0.9	2.8	0.5	1.0		0.3	0.2	1.1	1.6	1.5	1.4	0.7	0.1	0.1										0.1	1.1	1.5	0.3	3.6	4.2	3.4	0.2	0.1	1.3	5	3.9	0.7						0.5	1.0	0.2								0.7	10	10	1.6	2.1	2.2	1.0
New snow	cm																														<.1	0.1	0.8	1.1	1.2	1.1	0.7	0.1	<.1								<.1	<.1	0.1	0.8	1.0	0.1	0.4		<.1			1.2	3.7	3.5	0.6	<.1					0.5	0.7	<.1												0.4	0.7
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	<1	<1	2	2	3	4	4	4	4	4	4	3	3	3	3	3	3	3	4	4	4	4	4	4	4	4	4	7	10	9	9	9	8	8	8	8	8	8	8	8	8	7	7	7	7	6	5	5	4	2	3	3	3	2
Wind	m/s	1	1	1	1	1	1	0	0	0	1	1	1	2	0	1	0	0	0	1	1	0	0	1	1	1	1	1	2	1	2	1	1	2	2	2	2	2	2	3	3	2	2	1	1	1	1	1	1	1	1	1	1	1	1	1	2	1	3	2	1	1	1	1	1	1	2	1	1	1	1	1	1	1	1	0	0	1	2	1	2	1	0	1	1
Wind gusts	m/s	8	7	7	7	7	6	6	5	5	7	8	8	8	7	7	7	5	5	9	12	11	8	6	8	8	8	10	12	14	10	10	10	12	13	14	16	15	13	12	12	12	11	10	9	9	9	8	8	9	9	9	9	7	6	7	12	11	20	22	17	10	5	7	9	10	8	9	11	9	7	6	6	7	6	7	10	10	12	11	13	12	7	5	6
Wind dir.		↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓

Huts, campsites and lodging near Mount Onagi

Mountain huts

餓鬼岳小屋 2026: open July 1–October 15 · reservation required · sleeps 40 1.9 km from the summit

Campsites

餓鬼岳小屋 1.9 km from the summit

Mount Onagi facts

Elevation: 2,079 m
Location: Ōmachi-shi, Nagano
36.453258, 137.755702
National Park: 中部山岳国立公園

Mountains near Mount Onagi

Nearby ski resorts