Mt. Iyo イヨ山 – Mt. Nukazasu ヌカザス山 – Mt. Mito 三頭山
|Duration: 5 hours|
|Distance: 8.5 km|
|Elevation change: 991 metres|
|Start: Ogouchi Jinja Bus Stop|
|Finish: Kazuma Bus Stop|
|Map: Yama-to-Kogen 山と高原地図 series 1:50000 ［No.24 Oku-tama 奥多摩］|
From a Floating Bridge to Mountain Top
Along with Mt. Gozenyama and Mt. Odake, Mt. Mito三頭山 is one of the three famous mountains of Okutama. The mountain retains expansive areas of beech trees owing to the fact that the mountain was largely off limits during the Edo Period. While the main access to the mountain is via the Hinohara Tomin no mori 檜原都民の森 on the opposing side of the mountain, this hike follows a route from Lake Okutama.
At Okutama Station take a bus headed for Miyama 深山橋. Get off at the Ogouchi Jinja bus stop 小河内神社 (30 mins, 560 yen) alternatively you can go a few stops further to the Miyamabashi bus stop 深山橋 and hike along the Murokubo Ridge ムロクボ尾根. Either way both trails meet up at Mt. Nukazasu ヌカザス山 after a couple of hours of walking.
From the Ogouchi Jinja bus stop, mosey across the Lake Okutama floating bridge 奥多摩湖の浮橋 which takes you to the Okutama Circular Road on the opposite side. Once you hit the road turn right and look for the trail head veering up to the left, about a five minute walk. The first section along the Nukazasu Ridge ヌカザス尾根 tracks through ubiquitous plantations taking around an hour to reach Mt. Iyo イヨ山 (979 m). The next section steepens as you approach Mt. Nukazasu ヌカザス山 (1,175 m). From here to summit of Mt. Mito (1,531 m) the trail has a noticeably sharper gradient with ropes available to steady your footing. With my hiking companion whom I met on route made it to the summit in a little under 3 hours though maintained a fairly steady pace.
Views from the summit include Mt. Fuji and Mt. Kumotori though it is somewhat forested. With the wind having died down it also made for a good lunch spot with plenty of benches to kick back on. After lunch I headed down to the Mitosan Refuge Hut 三頭山避難小屋 which is spacious and well maintained. Nearby there is a watering hole around a 10 minute walk along the trail towards the Mito no Otaki Falls 三頭大滝. The waterfall itself is surprisingly high cascading some 33 metres and a suspension bridge allows you to get closer to the action. From the waterfall head along the tourist trail to the Tokyo Citizen’s Forest which is the entry point for most sightseers. The final section to the Kazuma bus stop 数馬バス亭 click here follows the river and eventually pops out on the Hinohara Kaido which you stick to downhill for a further 5 minutes for the trip back to Musashi Itsukaichi Station (1hr, 920 yen).
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