Happoike Sanso

八方池山荘

1,850 m · Hakuba, Nagano · 0.8 km from the summit of Mt. Happo

A year-round municipal hut at 1,850 m beside the top station of the Grat Quad lift on Happo Ridge, Hakuba. It is reached from Happo by gondola and connecting lifts and serves as the trailhead for the Happo Pond nature trail and Mt. Karamatsu. The hut supports both summer hiking and winter skiing and snowboarding.

2026: open all year · reservation required · sleeps 50

Book: yamagoya.hakubakousha.com ／ Website: yamagoya.hakubakousha.com ／ Phone 0261-72-2855

Prices (2026)

1 night with dinner and breakfast: ¥16,000
Room only, no meals: ¥10,000

Happoike Sanso weather (hourly, 14 days)

Sunrise today 06:14, sunset 16:51

		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	-4°	-4°	-3°	-2°	-2°	1°	5°	8°	9°	8°	5°	4°	4°	5°	5°	6°	9°	11°	11°	9°	8°	7°	8°	7°	7°	7°	6°	3°	2°	1°	0°	-2°	-2°	-2°	-3°	-4°	-4°	-5°	-6°	-5°	0°	3°	3°	-1°	-1°	0°	1°	1°	5°	5°	3°	-2°	-6°	2°	5°	1°	-4°	-2°	-1°	-4°	-7°	1°	3°	-7°	-1°	1°	1°	-6°	-9°	3°	7°	-3°	-3°	6°	7°	5°	4°	6°	3°	-1°	-4°	2°	4°	-3°
Precipitation	mm														3.0	9	6			1.1	0.3	2.6	0.1	9	3.6	1.0	1.5	1.4	2.8	2.2	2.4	3.0	2.7	3.3	2.5	1.9	0.6	0.5	0.2															0.2			4.9	10	9	2.8	0.1					2.0	6	0.3								0.5	8	8	6	7	2.3
New snow	cm											–	–																	0.3	3.1	3.0	3.7	3.7	2.3	1.7	1.0	0.2	0.1						<.1	<.1	0.3	1.4	1.9	0.1	–	<.1					4.1	9.8	9.3	2.8	0.1			<.1		1.9	5.4	0.2												0.2	0.8
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	<1	2	4	7	9	10	12	12	12	12	12	11	11	10	10	10	10	10	11	12	12	12	10	9	9	9	7	10	16	23	23	22	22	21	20	19	20	24	23	22	22	22	20	20	20	20	17	16	15	13	10	10	10	10	9	9
Wind	m/s	1	1	1	1	0	0	2	2	1	2	0	1	1	0	0	0	0	1	1	0	0	1	1	1	2	3	2	3	2	2	2	2	2	3	3	2	2	2	2	1	0	0	0	0	0	0	1	1	1	1	1	0	0	1	1	1	4	4	2	1	1	0	0	1	2	1	1	1	1	0	0	0	1	0	0	1	1	1	2	1	0	0	0	0
Wind gusts	m/s	8	7	6	6	6	5	6	6	6	6	6	6	6	6	5	8	8	6	7	6	9	10	13	11	12	16	17	16	16	15	13	15	15	18	18	18	14	12	12	12	9	7	6	6	6	7	9	9	9	11	10	6	5	5	10	12	25	26	20	11	6	6	7	7	10	10	11	9	7	6	5	5	6	6	9	11	12	11	14	14	7	4	4	5
Wind dir.		↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓	↓

Facilities and rooms

Open: 2026: open all year
Rooms: dormitory
Bedding: provided
Toilet: Water-shortage measures in effect. Overnight guests and dining customers only
Heating: Winter heating fee ¥1,000
Shop: Dining room open to day visitors
Location: 36.697131, 137.798874

Mountains near Happoike Sanso

Huts, campsites and lodging near Happoike Sanso

Mountain huts

Campsites

唐松岳頂上山荘テント場 3.8 km

Lodging

Woodpecker Chalet 2.6 km
AGS Chalet 2.6 km
サンダーバードコテージ 2.8 km
The Shack 2.8 km
the shack 2.8 km

Mountains and hiking routes in Nagano