Hutte Natsuzawa

ヒュッテ夏沢

2,429 m · Chino, Nagano · 0.9 km from the summit of Mount Iō

A seasonal hut at 2,440 m on Natsuzawa Pass, the traditional divide between northern and southern Yatsugatake. It is about two hours from the Sakuradaira trailhead via Natsuzawa Kosen. Surrounded by old-growth forest, it looks toward Iodake's explosive crater and the sunrise and primarily hosts school and other group trips.

2026: open July 1–August 31 · reservation required

Website: mt-yatsugatake.jp ／ Phone 0266-74-2728

Hutte Natsuzawa weather (hourly, 14 days)

Sunrise today 06:10, sunset 16:50

		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		21	23	1	3	5	7	9	11	13	15	17	19	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	12	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	21

Temperature	°C	-1°	-1°	-1°	-1°	-2°	-1°	4°	7°	8°	6°	2°	3°	3°	3°	3°	3°	7°	12°	11°	6°	6°	4°	4°	3°	7°	10°	9°	3°	1°	-3°	-5°	-6°	0°	2°	1°	-5°	-6°	-5°	-6°	-6°	1°	5°	4°	-2°	-2°	-1°	0°	1°	3°	7°	7°	-1°	-3°	2°	5°	-1°	-3°	-2°	-1°	-5°	-6°	2°	4°	-4°	-3°	1°	1°	-6°	-5°	3°	6°	-2°	-2°	5°	6°	3°	3°	8°	6°	-1°	-5°	1°	5°	0°
Precipitation	mm													0.8	5	7	3.4	1.0						0.4	1.3																								0.4	0.3	0.1							0.3	0.3									0.2									9	11		1.4	0.8				0.2
New snow	cm																																																									0.2	0.2									<.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	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	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Wind	m/s	0	0	0	0	0	0	1	1	1	1	1	2	2	2	0	0	0	2	1	1	2	2	2	1	2	4	3	2	2	2	2	2	3	4	3	1	1	1	1	1	1	1	1	0	0	1	2	2	2	3	2	1	1	2	4	2	3	5	4	1	1	2	2	0	1	3	2	1	1	1	2	1	2	3	2	2	2	2	3	2	1	1	1	1
Wind gusts	m/s	5	4	5	5	4	4	5	6	7	7	7	9	11	11	10	7	6	9	9	8	9	12	13	12	10	13	13	11	9	10	11	12	14	15	14	12	8	7	8	8	7	7	8	6	7	10	10	10	10	12	13	7	5	8	17	14	15	21	23	17	8	8	11	9	8	11	13	10	7	6	7	7	8	10	14	12	16	13	13	13	8	5	7	7
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