Mt. Naragurayama
Mt. Naragurayama (ならくらやま, 1,348m) on the Otsuki / Kosuge Village border, Yamanashi, is the 5th-rank peak of the Shurei Fugaku Twelve Views (single). About 1 hr walk from Tsurutoge Pass to the summit. Beginner-Intermediate ★★★・distance ~4 km・elevation gain 470 m・action time ~2 hours (out-and-back).
The traverse to Mt. Tsurune・Mt. O-Matei → descent to Kosuge-no-Yu (~4-5 hr) is also popular, attractive for the “Michi-no-Eki Kosuge” Kosuge-no-Yu onsen at the descent point. Summit offers Mt. Fuji views; one of the most easily accessible peaks among the Shurei Fugaku Twelve.
Access to the trailhead
- [Outbound / Return] Uenohara Stn ⇔ Tsurutoge / Kosuge-no-Yu (Fujikyu Yamanashi Bus, weekends only)
- Tsurutoge course, traverse, suggested plans
1. [Outbound / Return] Uenohara Stn ⇔ Tsurutoge / Kosuge-no-Yu (Fujikyu Yamanashi Bus, weekends only)
Mt. Naragurayama trailhead Tsurutoge (1,000 m) is reached by Fujikyu Yamanashi Bus “Tsurutoge” line from JR Chuo Line Uenohara Station (~70 min・¥1,250), weekends / holidays only (no weekday service). Descent point Kosuge-no-Yu (680 m, Michi-no-Eki Kosuge) also accessed by Fujikyu Yamanashi Bus to Uenohara Station (~80 min・¥1,400). Private car: Chuo Expressway Otsuki IC → R139 → prefectural road to Tsurutoge parking (roadside 5 spaces) or Michi-no-Eki Kosuge parking (60 spaces, free).
Operating period : Fujikyu Yamanashi Bus Tsurutoge / Kosuge-no-Yu lines year-round (Tsurutoge line weekends / holidays only)
Travel time : Uenohara Stn → Tsurutoge ~70 min・Kosuge-no-Yu ~80 min
Fare : Tsurutoge ¥1,250, Kosuge-no-Yu ¥1,400
Frequency : 2-3 services/day (weekends)
Uenohara Stn → Tsurutoge / Kosuge-no-Yu (Fujikyu Yamanashi Bus, weekends / holidays only, hiker reference)
| Uenohara Stn dep | Tsurutoge arr | Kosuge-no-Yu arr |
|---|---|---|
| 8:14 (Tsurutoge first) | 9:24 | — |
| 8:32 (Matsuhime-toge via Kosuge) | — | 9:52 |
| 10:14 (Tsurutoge) | 11:24 | — |
Tsurutoge / Kosuge-no-Yu → Uenohara Stn (Fujikyu Yamanashi Bus, return, weekends / holidays only)
| Kosuge-no-Yu dep | Uenohara Stn arr |
|---|---|
| 13:55 | 15:15 |
| 15:25 (last) | 16:45 |
Note : Fujikyu Yamanashi Bus operating days and timetables should always be pre-confirmed at the Fujikyu Yamanashi Bus official or Uenohara City Tourism. Weekends / holidays only (no weekday service). After descent, definitely stop at Michi-no-Eki Kosuge “Kosuge-no-Yu” (onsen ¥820・open-air bath・restaurant).
Reference : Mt. Naragurayama / Tsurune guide ｜
Contact : Fujikyu Yamanashi Bus ☎0555-72-6877 / Uenohara City Tourism ☎0554-63-1135 / Kosuge Village Tourism ☎0428-87-0411
2. Tsurutoge course, traverse, suggested plans
About Mt. Naragurayama
At 1,348 m on the Otsuki / Kosuge Village border, Yamanashi. Selected as the 5th-rank peak (single) of Otsuki City’s Shurei Fugaku Twelve Views, and one of the 100 Famous Yamanashi Mountains. About 1 hr walk from Tsurutoge Pass to summit — one of the most accessible peaks among the Shurei Fugaku Twelve. Summit views: Mt. Fuji, Mt. Mitsutoge, the Daibosatsu Range. The “Michi-no-Eki Kosuge Kosuge-no-Yu” onsen at the descent point is the highlight, popular as a traverse route.
Trail overview (2 main courses)
- Tsurutoge out-and-back (Beginner-Intermediate, ~2 hr): Tsurutoge → Mt. Naragurayama round trip, shortest, beginner-friendly
- Tsurutoge → Mt. Tsurune → Mt. O-Matei → Kosuge-no-Yu traverse (Beginner-Intermediate, ~5 hr): 5th-rank including ridge traverse with onsen at descent, classic
Mountain huts / hot springs (2026 information)
– No huts on the trail: Day-hike basis
– Michi-no-Eki Kosuge “Kosuge-no-Yu” (descent, ☎0428-87-0888): Onsen ¥820・open-air bath・restaurant, definitely stop
– Tsurutoge parking: Roadside 5 spaces, free
– Michi-no-Eki Kosuge parking: 60 spaces, free
Climbing season / flora: Year-round possible (winter with light crampons). May-June: fresh greens, mitsuba-tsutsuji, October-November: autumn colors. Winter (Dec-Feb) has snow / ice but walkable with light crampons.
Cautions
– Fujikyu Yamanashi Bus weekends / holidays only: Weekday access requires private car or walk
– No water source: Carry at least 1 L
– Verify traverse descent point: Kosuge-no-Yu descent with onsen is the classic
– Winter ice caution: Light crampons recommended
Emergency contacts / inquiries
- Uenohara City Tourism: ☎0554-63-1135 / Kosuge Village Tourism: ☎0428-87-0411 / Otsuki City (Tourism Association): ☎0554-22-2942
- Uenohara Police Station (climbing notification / mountain rescue): ☎0554-63-0110
- Michi-no-Eki Kosuge “Kosuge-no-Yu”: ☎0428-87-0888 / Fujikyu Yamanashi Bus: ☎0555-72-6877
Suggested plans (Tsurutoge → Mt. Naragurayama → Kosuge-no-Yu traverse, day hike, recommended, standard)
- Day-hike traverse (recommended, Beginner-Intermediate, weekend): Shinjuku 7:00 → Uenohara Stn 8:00 → Fujikyu bus 8:14 → Tsurutoge 9:24 → Mt. Naragurayama 10:30 (Mt. Fuji view) → Matsuhime-toge 11:30 → Mt. Tsurune 12:10 → Mt. O-Matei 13:00 → Kosuge-no-Yu 14:30 (onsen) → bus → Uenohara Stn → return
- Tsurutoge out-and-back (Beginner, short): Uenohara Stn → bus → Tsurutoge → Mt. Naragurayama round trip → Tsurutoge → bus → Uenohara Stn (~4 hr)
Reference : Mt. Naragurayama / Tsurune guide ｜
Photo by Tx-re
Your next mountain
The highest point of the Hayakawa Ridge, a rocky summit with a sweeping view from Kitadake to Fuji.
The northern anchor of the Hōō Sanzan, dominated by the towering granite Obelisk spire thrusting into the sky.
Called the Queen of the Alps for its white granite ridge adorned with Komaкusa, the classic gateway mountain to the northern Alps.
The northern sentinel of the southern Alps, nicknamed the Southern Alps Prince for its striking white granite ridgeline.
Climbed it? Stamp your logbook