Posted on Apr 14, 2023
0
NWE
Posted on Apr 14, 2023
0 0
NWE
16km

Distance

8 hours

Time

1120m

Ascent

1045m

Highest point

7.5/10
Difficulty
Snow Icon | Hokkaido Wilds
Jan-Mar

Best season

TOPO
Konbu-dake 昆布岳 (1045m) is a conspicuous, sharkfin shaped peak to the southwest of the bustling Niseko ski resort. On a clear day, it's a dominant feature of the horizon as seen from the sprawling resort area. Up close, Konbu-dake's unique peak offers an exciting knife-edge final approach, and there's some incredible deep powder skiing to be had off the otherwise very mellow approach along this Northern Ridge. Be warned though - it's a long walk to get to this elusive peak. This northern approach allows for worthy intermediary objectives for those who want to see the peak up close, but don't want to commit to the full summiting experience.

We visited this route on Mar 20, 2023

Topomap

Route Map

Need to know details

Location

Konbu-dake sits about 18km directly south of Niseko Annupuri and the bustling Niseko ski resort village in southwestern Hokkaido. This route approaches the summit from the north, from a quiet farming community.

General notes

There are a number of ways to summit Konbu-dake – from the south, west, east, north, and a couple of bearings in between. To be brutally honest, from a purely backcountry skiing perspective, they’re all a bit average. Most of the ridges to the summit include at least some up-and-down along the way, for the most part the ridges themselves are very mellow in terms of steepness, and it’s a long way – about 16km return. It’s fair to say that if tagging Konbu-dake’s peak is your objective, then it’s best to consider this a ski-tourer’s adventure peak, rather than a downhiller’s paradise.

That said, given Konbu-dake’s prominence on the Niseko skyline, it is a very worthy peak to bag for the committed ski tourer. The final short knife-edge-esque walk along the ridge to the summit is exhilarating. The views are stellar. For the adventurous, there’s a very short but very steep ski off the summit to the north.

If you’re more of a downhill-oriented skier, however, don’t count Konb-dake out completely. Skiers seeking good, deep, untracked powder turns should also keep Konbu-dake on their radar. Be happy with summiting the 835m false peak on this northern ridge route, and enjoy some great 200-300m long lappable slopes to the skier’s right of the ridge. There’s a reason there are snowmobile-assisted guided backcountry ski tours in the area (e.g. the folks at Rura Guiding and Par Powder Paradise) – the snow here is as good as it gets in the region in deep winter.

Hut
None
Route details

From the t-intersection near the Niseko Golf Course, head along the forestry road direct south for about 1.5km to the first significant bend in the road. This road is frequently used by snowmobiles in the winter, so for a more relaxing ski up, at your earliest convenience gain the ridge west of the road (to the looker’s right of the road). Follow the ridge through the forest for another 1.5km, where you’ll cross that same forestry road again. From here, head to the southwest to gain the broad, mellow northern ridge proper. You’ll be sharing this ridge for the rest of the way to the 835m false peak with snowmobiles, so take care.

At around 650m on the ridge is an extraordinarily picturesque snow meadow with jaw-dropping views of Yotei-zan and the Niseko Range. If this satisfies your appetite for slogging uphill in deep snow on a very mellow ridge, then dropping from here into the valley below would make for a very satisfying lapping slope. Otherwise, keep on along the ridge to the 835m false summit.

The 835m false summit gives gorgeous views of the sharkfin Konbu-dake summit just out of reach to the south. Snowmobiles are known to come all the way to this false summit. If pressing on to the Konbu-dake summit proper, you’ll need to drop about 80m vertical down to the compact saddle to the south between the false peak and Konbu-dake. There’s no practical way to avoid this – you’ll need to don skins again on the return.

From the saddle to Konbu-dake saddle, it’s about 1km in distance and 250m climb. Things get interesting at around 890m. Depending on the snow conditions, you may want to switch to boot crampons with skis on your back for the final walk along the knife-edge ridge to the summit. Depending on snow conditions, it may also be possible to wrap around the south side of the summit onto the mellow southern slope and do the final approach to the summit sign from the south.

In principle, the return is via the way you came. If energy and daylight allows, it’s also possible to drop down to the skier’s right (east) of the main northern ridge north of the 835m false peak. Note however that any elevation dropped quickly around here will result in just more flat walking for the exit. Pick your battles and pleasures wisely.

Route Timing
Up | 5.5hrs
Down | 2hrs

Summiting Konbu-dake is a long, rewarding day out. Plan for around 7hrs+ in spring, and around 9hrs in deep winter.

Transport

Public transport:

This route is not accessible by public transport.

By car:

There is no dedicated parking for this route. Skiers will typically park on the side of the road, which could interfere with snow-clearing work. Ideally, arrange a drop-off or pick-up. If you do park on the side of the road, park well to the side of the road, and avoid parking at the very end of the snow clearing (gets in the way of snowplows turning around).

Physical maps
Print: HokkaidoWilds.org 1:25,000 TOPOMAP+
Niseko Backcountry map: Buy on Amazon.co.jp | See companion site for more purchase options
Official Topo Map: Konbudake (昆布岳) – map no. NK-54-20-8-2
Official Topo Map 2: Niseko (ニセコ) – map no. NK-54-20-8-1

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 North. Other aspects that may also be encountered while following the route outlined on this page include: West, East. 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 Shiribeshi area, consider looking at the Japan Avalanche Network avalanche bulletins (updated Tuesdays, Thursdays, Saturdays at 8am) or the daily Niseko Avalanche Information website. These may give extra insight into avalanche conditions in the greater area around the route.

Snow and
route safety

Watch for large glide cracks on the steep eastern faces off the main northern ridge, particularly later in the season. Also, be aware that this northern ridge is very popular among snowmobilers and snowmobile-access backcountry tours. Always give way to snowmobiles.

Konbu-dake Northern Ridge Difficulty Rating

Category

Grade

Points

Strenuousness

Vertical Gain

A

40

Time ascending

A

10

Technicality

Altitude

B

6

Hazards

B

12

Navigation

C

6

Totals

74/100

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 Konbu-dake
Onsen nearby

The trailhead is only a 13 minute drive from the beautifully local Rankoshi Yusenkaku Onsen 幽泉閣 (location, 600yen). There are a number of interior baths, outdoor baths, and they’ve got a sauna and cold pool. They also offer accommodation.

Extra Resources

Guide Options

If you’d like to ski this route and/or explore other Niseko areas 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. In addition to Yasuko, also see a full list of English-speaking Hokkaido Mountain Guides Association (HMGA) guides on the HMGA website here

Also check out the snowmobile-access backcountry ski offerings by Rura Guiding (details here) and Par Powder Paradise (details here). Particularly in deep winter, most sane individuals will make the most of the area using snowmobiles to cut out the long approach.

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Show Full Route Notes Close Route Notes

Route Trip Notes

Konbu-dake has always taunted me. It’s so brazenly there. You can’t avoid it anywhere on the Niseko range when looking towards the southern horizon. 

As attractive the thought was, however, of scaling it’s knife-edge ridge, the approach had always held me back.

“You’d be mad to head up there on anything other than a snowmobile,” people would say.

“You want to waste a perfectly good day walking forever?”

We’d skied up Nishi-konbu-dake previously. It was a walk in the park, and on that day I’d looked longingly at the Konbu-dake summit in the distance. In between Nishi-konbu-dake and Konbu-dake, however, were a number of up-and-downs. One thing was sure, Konbu-dake isn’t a peak where you get both epic downhill skiing and an epic summit…unless you want to add to an already very long day.

But today was the day. The weather forecast was for an incredibly calm spring sort of a day. Mid-March and spring had come early.

Haidee and I car-camped in the Niseko View Plaza parking lot the night before, and woke to gorgeously clear skies.

As we drove towards our chosen trailhead, Konbu-dake stood as she always does. Dominating Niseko’s southern skyline.

We arrived at the trailhead at around 7am. Being an early spring, there was plenty of room to park next to the side of the road. We geared up in the morning coolness and got on our way.

It was a Monday, and it was clear that the mountain and forestry road had seen a weekend of busy snowmobile traffic. Today, though, we had the mountain to ourselves.

We walked along the heavily tracked forestry road for about 1.5km before climbing off the road to the ridge above. The snow was firm-packed spring snow, so even off the tracked road, we could make good time without the need to break trail. It was nicer to be walking through the forest rather than on snowmobile tracks.

Before long, we came upon an incredible snow meadow at around 650m. We took a long break there, enjoying the views of Yotei-zan in the distance.

During our climb up the northern ridge, we saw snowmobile tracks here and there, well spaced out between the old-growth forest. 

As the ridge narrowed towards the false peak at 835m, however, all those snowmobile tracks started to converge towards that natural apex on the ridge. We were now on a 12-lane snowmobile highway.

We were, however, now closer than we’d ever felt to that iconic shark-fin peak of Konbu-dake. She was a beauty.

I’ll be honest. It was a little bit of a shock to face the reality of what the topomap had always been telling us. We were close to the summit, but still far. That reality made all the more jarring by the fact we had to drop almost 100m down to a saddle and then make our way back up to the summit proper.

“I’d be perfectly happy to call it a day here,” mused Haidee. 

With skins still on the skis however, we side-slid our way down to the saddle, and continued on towards the main prize.

As we approached the 900m mark, the snow surface started to deteriorate somewhat. It was getting icier. And steeper. We decided to switch to boot crampons.

From my Yamareco.com scouting of the route, it appeared to me that a vast majority of winter visitors to Konbu-dake approach the summit via the knife-edge (ish) ridge. We’d later discover that in fact we could have happily approached it from the south, via a much less committing slope. Had we known that the southern face of the summit proper was so accessible, we would have taken our skis with us on our backs. As it was, assuming we’d have to go there and back via the ridge, we deposited our skis at around 950m and carried on on crampons.

Despite it being an early spring, the ridge itself was still in fairly good shape. It was Haidee’s first experience of a scary ridge with drops on either side, so she was feeling the exposure. With the assurance in the grip of the boot crampons, however, we made short work of the ridge, wrapping around to the north when we needed to in order to get around obstacles.

Once we got to the summit proper, we found that we could have made it all the way to the summit by wrapping around the southern side of the peak…we could have been on skis all the way. Oh well…at least we got an exciting ridge to walk along on the final approach to the summit. On the descent, however, we decided to head straight south from the summit, and wrap around the peak via the southern face back to our skis…again we were kicking ourselves for not bringing the skis with us all the way to the top.

Once back to the skis, we now had to start the up-down process of getting back to the trailhead.

We first enjoyed a short but fun descent down to the saddle below the 835m false peak.

At the saddle, we put skins on again, and made the short skin back up to the false peak. From there, we enjoyed mellow, fast spring snow on the descent down the northern ridge, all the while taking in the views ahead of the entire Niseko Range and Yotei-zan on our right.

I won’t lie. The final few kilometers along the forestry road were a bit of a chore. A season’s worth of snowmobiles had rendered the road a wavy, rutted mess. If you managed to time your pumping just right, it was possible to use the snowmobile corrugations to gain speed along the flat road, but it was hard work.

We were happy to see the van at the end of the trip. But we were also happy to have ticked the venerable Konbu-dake off the list. It’s likely we’ll be back to check out other approaches, but overall it was a worthwhile day out.

Comments | Queries | Reports

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Konbu-dake Northern Ridge Difficulty Rating

Category

Grade

Points

Strenuousness

Vertical Gain

A

40

Time ascending

A

10

Technicality

Altitude

B

6

Hazards

B

12

Navigation

C

6

Totals

74/100

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.