Biei-fuji Karasawa Ugan Ridge

美瑛富士涸沢右岸尾根

Posted on Mar 8, 2023
0
SWWN
Posted on Mar 8, 2023
0 0
SWWN
15km

Distance

8 hours

Time

1410m

Ascent

1880m

Highest point

7/10
Difficulty
Snow Icon | Hokkaido Wilds
Jan-May

Best season

TOPO
Biei-fuji 美瑛富士 (1888m) is a conspicuously conical peak north of Tokachi-dake 十勝岳 (2077m) in the southern half of the Daisetsuzan National Park in central Hokkaido. The peak is well in the alpine, meaning it's a fine winter mountaineering objective. The Kara-sawa 涸沢 gully is more sheltered from the frequent winter storms, however. This gorgeous powder pocket, far away from the madding ski touring crowds further south in the range, offers both great views from the ridge and sublime lappable slopes. The approach is longer and more mellow than other objectives in the range, but getting this deep into the Daisetsuzan Range in winter is always worth it.

We visited this route on Feb 04, 2023

The crew: Tim and Gavin

Last updated Jan 24, 2024

Topomap

Route Map

Need to know details

Location

Biei-fuji is located about 4km north-northeast of Tokachi-dake in the southern half of the Daisetsuzan National Park in central Hokkaido. It is typically accessed from the west, from Shirogane Onsen village. This winter route up to the peak starts much lower down the mountain than the summer trailhead.

General notes

Peaks northeast of Tokachi-dake in the winter quickly start to become more serious affairs, with longer approaches. Biei-fuji is no exception, and it nears the limit of practical one-day mid-winter objectives in the Tokachi Range. In spring with firmer surface conditions and longer daylight hours, even linking up peaks northeast of Tokachi-dake becomes quite feasible.

For this route description, we don’t actually guide the reader to the summit of Biei-fuji. If you’re on the mountain in clear conditions, it’s pretty straight forward (if not rather icy and crusty underfoot) to tag the summit. Just follow the ridge all the way up, switching to ski or boot crampons when necessary.

Here, we describe making the most of the Karasawa gully walls for some amazing protected powder laps, far away from the crowds of further south along the range. In mid-winter, with deep powder conditions, the approach is long, but it can be worth it for the sake of adventuring further afield.

Hut
None
Route details

From the end of the snow clearing just northeast of the Shirogane Onsen village, skin along the snowed-in road for about 600m. This section of road is very flat – on the return it’s worth unlocking your heel to help speed things along. After about 600m, take a right and follow the smaller road for another 300m. You’ll see a gated (or buried gate). This is where you start the gentle climb due southwest along the summer trailhead access road. You can cut a few corners along the way, but eventually, you’ll find the summer trailhead at around 825m. The trailhead sign may or may not be buried. From here, it’s just a matter of following the Karasawa Ugan (ugan means right bank) ridge for as far as you are willing until you either hit the summit, or find a good slope down to the gully floor to lap.

Depending on conditions, the best slope for lapping may be around 1300m or so. Dropping to the gully floor will give just shy of 200m of vertical descent. Set a nice skin track back up to the ridge and repeat for sets.

On the return, if the surface conditions are deep, the ridge is not steep enough to feasibly allow skiing off the skin track – just enjoy the roller coaster back down the skin track. In firmer spring conditions, the ridge will be more playful. Once you hit the road at 657m or so, it’s a fairly flat 1km pole back to the snow clearing end.

Route Timing
Up | 6.5hrs
Down | 1.5hrs

The timing above is assuming you’re a masochist and are attempting a summit in mid-winter, breaking trail all the way. If you’re aiming to lap the Karasawa Gully walls at around 1300m, you’ll still need to allow about 6-7 hours for the return trip – it can be slow-going breaking trail in very deep powder.

Transport

Public transport:

It’s possible to get within 450m of the start of this route using the public bus from Biei JR train station – Shirogane-yaeijoumae 白金野営場前 bus stop (location) is just down the road from the end of the snow clearing. Google has timetabling information, so just get public transport directions on Google. It’s about 30 minutes on the bus from Biei JR train station to the Shirogane yaeijomae bus stop.

By car:

There is no official parking area for this trailhead in winter, so skiers will typically park on the side of the road. Make sure to park as far to the side of the road as possible, so as to not block traffic.

Physical maps
Official Topo Map: Shirogane onsen (白金温泉) – map no. NK-54-7-8-1

NOTE: The official 1/25000 topo map(s) above can be purchased for 350yen from Kinokuniya bookstore next to Sapporo Station or online (in Japanese).

Aspect
The main aspect skiers are exposed to on the descent and/or ascent is Southwest. Other aspects that may also be encountered while following the route outlined on this page include: West, North. Therefore, keep an eye on the weather forecast a few days ahead of your trip to monitor wind, snow, and temperature. Also, since this route is in the general vicinity of the Furano area, consider looking at the Furano Avalanche Center (on Facebook). They issue sporadic observations throughout the season which may give extra insight into avalanche conditions.

Snow and
route safety

This is a very remote route in winter, and as such you’re unlikely to see anyone else on the route. Skiers should be even more self-reliant and self-sufficient on this route. Note also that skiing into the Karasawa Gully has considerable exposure to avalanches and terrain traps. If shooting for the summit, be aware that the alpine around this area is a very bad place to be in inclement weather. 1900m in the Daisetsuzan National Park is a very harsh environment, with temperatures and conditions similar to 3000m peaks elsewhere in Japan. Plan accordingly, and make the call to keep to lower elevations in the face of an unfavourable weather forecast.

Biei-fuji Karasawa Ugan Ridge Difficulty Rating

Category

Grade

Points

Strenuousness

Vertical Gain

A

40

Time ascending

A

10

Technicality

Altitude

A

10

Hazards

C

6

Navigation

C

6

Totals

72/100

GRADES range from A (very difficult) to D (easy).  More details here. Rating rubric adapted from Hokkaido Yukiyama Guidebook 北海道雪山ガイド.

Weather forecast

Windy.com weather forecast for Biei-fuji
Onsen nearby

Our pick of onsen in the area is the Shorigane Yumoto Onsen 白金湯元温泉 (location, 1000yen). The outdoor bath is beautiful, perched above the Biei River and Shirahige Falls (although you can’t see the falls from the onsen).

Extra Resources
No extra English resources that we know of. If you know of any, please let us know in the comments.

Guide Options

If you’d like to ski this route and/or explore other peaks in central Hokkaido together with a local certified guide, get in touch with Yasuko Kikuchi. Born and raised in Hokkaido, she’s a JMGA-certified guide now based in Sapporo. Her outdoor experience is broad and worldwide, having worked as a Canadian Ski Patrol member, and has sumitted a number of 6,000m+ peaks around the world. She speaks good English, and can arrange transport to and from central Hokkaido. In addition to Yasuko, also see a full list of English-speaking Hokkaido Mountain Guides Association (HMGA) guides on the HMGA website here

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Show Full Route Notes Close Route Notes

Route Trip Notes

After spending the whole winter last year ticking off routes in the Niseko Range for the Niseko Backcountry map (buy on Amazon.com or Amazon.co.jp), this year I was really looking forward to spending much more time in the Daisetsuzan Range.

On the list were the Biei peaks – Biei-dake and Biei-fuji.

Tim had mentioned a huge Biei-dake and Biei-fuji link-up he’d done later last season, and we were keen to see it in more pow-like conditions. Along with us was Gavin, visiting from the UK.

We rolled up to the trailhead at the leisurely hour of 8am. Already, the end of the snow clearing was packed with cars. We drove up a side road and found a spot off to the side of the road where my long van would be more out of the way. We got geared up and set off.

Lucky for us, there was at least one other party ahead of us. They’d broken a nice trail along the flat road, which made progress at this early stage quick for us.

That party veered off the road much earlier than we had planned, so after about 500m, we had to start breaking trail ourselves. 

It was deep. Good deep. Light, fresh snow.

It didn’t take long for us to find the summer trailhead. From there, we headed to the edge of the Karasawa Right Ridge (Ugan-one) and followed our noses through the gargantuan old karamatsu pine trees.

As we climbed, clearings in the woods became more frequent, allowing us glimpses of the alpine areas up ahead.

Unfortunately, the weather forecast was so far living up to its promises. Ahead in the distance, Biei-fuji’s peak was shrouded in cloud.

We’d been tentatively hopeful that we might be able to get most of the way to the peak. But it seemed that was unlikely today. Tim was, however, still hopeful that we might be able to check out a steep gully he’d hoped to ski, about half way up the peak.

As we moved above the treeline, however, the surface conditions were starting to show signs of the high winds of the preceding few days. In places, we could feel hard-pack scoured snow under a deep layer of new snow. 

Soon we had to make a decision. Would we push on into the wind-scoured alpine, or ski some top-shelf powder into the gully to our right.

Considering we were still in mid-winter, it seemed a waste to spend time traipsing up ice when pow laps were beckoning us. So we decided to keep low and ski the gully.

Safety first though. Tim dug a pit so that we could at least have a sample of one to give us an idea of what the snowpack was doing.

The pit gave evidence of a very nicely right way up snow pack.

We ripped skins and dropped from the 1300m mark on the ridge down into the gully.

It wasn’t perfect. Airy, bottomless pow, about hip-deep, was sitting ever so daintily on wind-scoured sastrugi. Or at least that’s what it felt like. I headed further to the skier’s right -down the gully. I was hoping that even just a little loss in elevation might rid us of the concrete below the surface.

This paid off. Now we were really skiing bottomless pow, with just the right resistance as we jumped into our turns.

The only feasible way out of the gully was to climb back up the slope we’d just skied down. That set us a perfect skin track, so clearly at least one more lap was on the cards. 

This time we started ever so slightly further down the ridge, and it was sublime from the very top to the very bottom.

With the uptrack set from the previous lap, getting back to the ridge was a piece of cake the second time around.

Time was getting on, however, so we forewent a third lap and started our ski back to the van. 

The snow was so deep that it wasn’t possible to ski the super mellow ridge on anything but the skin track. So we hurtled down the uptrack squeezing as much speed as we could out of it until we hit the flat snowed-in road.

From there it was about 1km of poling and we were done. 

This is such a remote-feeling area of the Tokachi Range. One day is certainly not enough. I’ll be back for sure.

Comments | Queries | Reports

Done this route to Biei-fuji, or others nearby? Thinking of doing it? Please post any feedback, reports, or queries here. Thanks!

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Biei-fuji Karasawa Ugan Ridge Difficulty Rating

Category

Grade

Points

Strenuousness

Vertical Gain

A

40

Time ascending

A

10

Technicality

Altitude

A

10

Hazards

C

6

Navigation

C

6

Totals

72/100

GRADES range from A (very difficult) to D (easy). Hazards include exposure to avalanche and fall risk. More details here. Rating rubric adapted from Hokkaido Yukiyama Guidebook 北海道雪山ガイド.