(常念岳) Mt. Jonen Hike

This mountain has a reputation for being a beautiful hike, so I do hope I get to do this. 

*all links are failing, lemme correct them*

Budget: JPY11,660 (~USD110)
  • JPY4,820. Two days' worth allocated with Seishun 18 ticket. (if from Tokyo)
  • JPY5,840. Taxi share, assuming 2 people. (JPY11,680/2 people)
    • JPY6,140. Taxi, Toyoshina Station to Mimata.
    • JPY5,540. Taxi, Ichinosawa to Hotaka Station.
  • JPY1,000. Tent fee.
Hike Date / Difficulty (Elevation: 2,857m / 9,373ft) 
  • Target 2020
  • Difficulty: 4 out of 5.
  • Route below is around 17.1 kilometers, with an elevation change of ▲2,215m/ ▽2,230m
  • Map Link

When to Go
Probably throughout the year, but the official hiking season is around April to late October.

Special Notes

  • Nearby hikes:
    • Mt. Chougatake (蝶ヶ岳). They share a trailhead, and doing this mountain just adds 4ish hours (~5kms, ~500m elev gain)
    • Mt. Tsubakuro (燕岳). Trailhead to this mountain has a ropeway, and a bus that costs JPY1,800 one way from Hotaka Station (穂高駅).
  • Mountain huts.
    • Paid: Chougatake Hut (蝶ヶ岳ヒュッテ) . Near Chougatake Summit. It's JPY7,500 without meals, reservation via call: 090-1056-3455. Tents at JPY1,000 per person, no reservations needed. It is open until mid-October.
    • Paid: Jonen-koya (常念小屋). Near Mt. Jonen summit. It's JPY7,500 without meals, reservation via call: 090-1430-3328. Tents at JPY1,000 per person, no reservations needed. It is usually open from early April to early November. 
      • Outside those period, the website says that the southeast side of the hut turns into a FREE emergency hut, but I have not verified how this works.
    • ???Free: 横尾避難小屋 is 3 hours away (3.4kms, 1,110m descent) from Chougatake Hut, which is really an entire hike on its own. But I'm just putting this out here.
  • Trailheads. No public transportation really, but if you think about it, most buses are JPY1,000~JPY2,000 per head, and some require ropeways too that are at least JPY1,000 one way. Bottom line - consider taxis.
    • Ichinosawa (一ノ沢). Shortest route, but no public transportation. Taxi from Hotaka Station (穂高駅) station is about 30 minutes, JPY5,540 (source).
    • Mimata (三股). No public transportation. Taxi from Toyoshina Station (豊科駅) is about 30 minutes, JPY6,140. (source). Parking available. 
    • Nakabusa Onsen (中房温泉). With a bus from Hotaka Station, JPY1,800 one way. Bus schedule below.
      • Access.
      • Train. The earliest train to Hotaka Station (Toyoshina Station is about two stations away from Hotaka Station). From here on, taxi is the only way.
        • Bullet train. JPY10,930, 214 minutes, earliest will get here at 09:50am.
        • Local trains. JPY4,210, 322 minutes, earliest will get here at 10:21am (Seishun 18 ticket can be used, in which case it'll be JPY2,410 one way).
      • Taxi. A company provides taxi shuttles, website here. Going from the train station to the trailhead probably is not that big a problem, but finding a taxi from the trailhead back to the bus stop might not be that easy, so consider reserving (via phonecall: 0263-82-3113)
      • Bus. A bus comes from Hotaka Station (穂高駅) to Nakabusa Onsen (中房温泉). For 2020, it runs from July 15 til November 3. Website here, schedule below. Taxi fee table - regular taxi (普通車) vs "jumbo taxi" (ジャンボタクシー)
Taxi Fee Schedule


Bus schedule Hotaka Station (穂高駅) < >Nakabusa Onsen (中房温泉)


Itinerary
For the hike below, I'm mapping a hike from: Trailhead: Mimata (三股)  -> Mt. Chougatake (蝶ヶ岳) -> camp -> Mt. Jonen (常念岳) -> Trailhead: Ichinosawa (一ノ沢)
Saturday
  • 04:49am. Train, Iidabashi Station (near Tokyo Station) to Hotaka Station.
  • 10:15am. ETA: Toyoshina Station (豊科駅).
  • 10:30am. Taxi, Toyoshina Station (豊科駅) to Mimata (三股) trailhead.
  • 11:00am. Start hike.
  • 04:05pm. ETA: Summit, Chougatake. Camp/stay in mountain hut.
Sunday
  • 05:00am. Start hike.
  • 09:50am. ETA: Mt. Jonen Summit. Rest for an hour.
  • 03:10pm. ETA: Trailhead: Ichinosawa (一ノ沢)

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