Friday, 19 February 2016

Ōyafudō (大谷不動) ice-climbing

Area name:  Ōyafudō (大谷不動)

Location:  Nagano prefecture, behind Mt Azumaya (四阿山)

Grades:  WI4 – WI6


Ōyafudō is without doubt one of the most spectacular areas for steep ice-climbing on Honshu island. Access is relatively simple, and the ambience is really something… With vertical ice pillars up to and over 50m high, and several multi-pitch icefalls, this is a serious place and demands confidence. To really enjoy climbing here you’ll need at least one person in your group who can lead WI4+ upwards.

You’ll want to climb on 60m double ropes because pitches tend to be long, and getting down from the anchors will involve rappels of up to 60m. The icefalls tend to have in-situ anchors at the tops on trees. It pays to inspect the ropes/slings that are in place and consider using your own if they don’t look perfect. If you choose to break any icefalls down into two pitches, you’ll need to set up your own anchor on ice screws.

Getting there:
To get there from Tokyo you’ll almost certainly need to drive, as there is really no decent public transport connection to get there. It takes about three and a half hours from central Tokyo. Take the Kanetsu Expressway towards Gunma, and then fork left onto the Joshinetsu Expressway soon after the Kamisato (上里) service area. Come off the highway at Ueda (上田) onto Route 144. Turn left onto Route 406, continue through Sugadaira (菅平), and head for the Minenohara ski resort (峰の原のスキー場). Leave your car in the resort’s car park.

From the car park you’ll need to put on snow shoes for the walk-in. Head across the ski resort past the lower lift stations and begin to ascend a gently rising piste almost straight ahead.


After about 15 minutes you’ll reach a col, and you need to continue down the other side along a path.



The trail will zigzag down for about 15 minutes until you come out on a snow-covered rindou (mountain road) with a metal bell by the roadside.


Turn right and follow the road as it contours along for about 20 minutes. Eventually the trail will ascend up through the forest as the icefalls come into view across the valley. You’ll soon come to a fork, with the right trail leading to the Fudōmae (不動前の氷瀑) icefall, and the left trail leading up to the hut (unmanned).


You can leave your snowshoes and any unnecessary gear at the hut, it should be quite safe in Japan.


THE ICEFALLS:

(Map adapted from the out-of-print Japanese guidebook “アイスクライミング”)

1. Fudōmae falls (不動前の氷瀑) - 50m WI4 (Japanese grade V+)



2. Left wall Saganpeki area (左岩壁)

* Left route (左ルート), 2 pitches, F1 50m and F2 40m (Japanese grade VI)

* Central route (中央ルート), 2 pitches, F1 45m and F2 40m (Japanese grade VI-)

* Right route (右ルート), 2 pitches, F1 40m and F2 35m WI5+ (Japanese grade VI-)





3. Honryū falls (本流)

* Ichinotaki (一の滝), 7m WI3+


* Ninotaki (二の滝), 55m WI4+ (Japanese grade V+)




* Sannotaki (三の滝), 30m WI4

4. Honryū right flank falls (右側壁の氷瀑) – 50m WI5 (Japanese grade V+ to VI-)





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