Mt. Iyosan

イヨ山

Okutama, Tokyo · Elevation 979 m

Iyo-san is a 979.1 m peak in Okutama Town, Nishitama District, Tokyo, at the entrance to the Nukazasu Ridge that climbs from the Mugiyama floating bridge on the south shore of Lake Okutama to the west summit of Mt. Mitōsan. Within Chichibu-Tama-Kai National Park, it is the first peak reached after a 50-minute steep ascent from the bridge. The peak is a waypoint on Course 24 (Ogōchi Shrine–Mugiyama floating bridge–Iyo-san–Nukazasu-yama–Mitōsan) of the Japan Alpine Club Tokyo-Tama Branch's "Tama 100 Yama" series, set in broadleaf beech and Mizunara forest with vivid spring and autumn colour.

Mt. Iyosan at a glance

Weather: The most settled day in the next 7 days is Mon, November 9: clear, gusts up to 7 m/s.

Mt. Iyosan weather (hourly, 14 days)

Sunrise today 06:07, sunset 16:48

		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	10°	9°	9°	8°	8°	8°	7°	7°	7°	7°	9°	8°	8°	7°	7°	8°	8°	9°	11°	17°	12°	11°	9°	9°	8°	8°	16°	18°	16°	11°	9°	8°	7°	6°	11°	13°	10°	5°	4°	4°	3°	2°	9°	11°	9°	6°	6°	5°	5°	4°	6°	8°	5°	3°	4°	6°	4°	2°	7°	8°	0°	0°	7°	6°	5°	1°	10°	12°	1°	2°	5°	7°	2°	1°	10°	11°	9°	8°	14°	17°	6°	6°	4°	6°
Precipitation	mm	0.6	0.4	1.1	0.9	0.2	0.2						0.2	0.2	0.2	1.2	7	14	12	3.8		1.6	1.4		0.1																								0.2					0.5	0.5	0.1		0.2								0.1												3.5	14		1.0
New snow	cm
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	2	0	0	1	1	1	1	1	1	1	2	2	1	1	1	1	2	2	2	1	2	1	0	1	1	1	1	3	2	2	2	1	1	1	1	1	3	0	1	1	1	1	1	3	2	0	1	0	0	1	1	2	1	2	2	2	1	2	5	4	2	1	1	3	1	1	1	1	1	0	1	2	0	1	1	1	0	1	1	2	3	1	1	2
Wind gusts	m/s	5	5	2	2	2	2	3	2	3	4	5	6	6	4	3	5	5	6	6	7	5	5	3	3	4	4	4	8	8	6	4	5	4	3	5	7	9	9	4	4	3	4	4	9	9	6	3	3	2	2	4	7	6	5	5	7	6	6	15	19	11	6	4	9	8	4	6	11	5	3	5	7	6	3	5	9	4	6	6	7	17	7	5	6
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