Photo: ZENG YILI / UnsplashImage

RENT & RIDE JAPANKoshu / Enzan – Lake Daibosatsu & Yanagisawa Pass

Lake Daibosatsu & Yanagisawa Pass Loop

From Hachioji over Otarumi Pass to Enzan, Lake Daibosatsu, and up to Yanagisawa Pass at 1,472 m. A pass-hopping loop chasing autumn foliage by elevation, with sweeping views of Mt. Fuji and the Okuchichibu range.

Mountain PassNature
DISTANCE
190 km
DURATION
9 h
LEVEL
Intermediate
DIST190 kmTIME9 hLVLIntermediateSEASONAutumn / SpringIN SEASON!Mountain PassNature

Departing TASHILOG GARAGE, cross Otarumi Pass on the border of Tokyo and Kanagawa toward Lake Sagami, then climb into the Koshu region. This full-day loop is a feast of mountain passes running parallel to the Chuo Expressway.

Course Highlights

  • Otarumi Pass — A pass on the Koshu Kaido (Route 20) linking Hachioji and Lake Sagami; a perfect warm-up winding road.
  • Lake Daibosatsu (Kamihikawa Dam) — A reservoir at around 1,486 m elevation, with the peaks of Daibosatsu across the water and Mt. Fuji when you turn around.
  • Yanagisawa Pass — At 1,472 m, the highest point of Route 411 (Ome Kaido). Loop bridges, tunnels, and hairpins build up to a climactic view of Mt. Fuji on clear days.

Chasing Autumn by Elevation

In autumn, foliage first colors the higher Yanagisawa Pass and Lake Daibosatsu, then descends toward Enzan and Katsunuma below. The joy of this loop is seeing different stages of color on the same day thanks to the elevation change. Mornings and evenings on the passes are cold, so bring warm gear.

ROUTE MAP
Itinerary
  1. 1
    START

    Tashilog Garage

    Start point in Miyashitacho, Hachioji.

    TIPS

    Check fuel and tire pressure before departure. Bring warm gear for the cold passes.

  2. 2
    VIEW~15 min

    Otarumi Pass

    A pass on Route 20 (Koshu Kaido) crossing the Tokyo–Kanagawa border between Hachioji and Lake Sagami.

    TIPS

    The first winding road of the trip. Traffic can be busy, so ride with the flow.

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  3. 3
    FOOD~60 min

    Koshu Hoto Kanjukuya Honten

    A popular Koshu hoto restaurant near Enzan Station in a 120-year-old traditional farmhouse.

    TIPS

    The signature dish is hoto with house-made miso; tempura and Kai salmon are also popular. Lunch is roughly 11:30–15:00 (L.O. 14:30), with dinner service too. A numbered-ticket system may apply when busy. Please confirm hours before visiting.

    Koshu Hoto Kanjukuya Honten
    Image
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  4. 4
    SPOT~40 min

    Erinji Temple

    An ancient Rinzai Zen temple in Enzan, famous as the family temple of the warlord Takeda Shingen.

    HISTORY

    A renowned Rinzai temple and the family temple of Takeda Shingen, one of Japan's great Sengoku-era warlords. Its garden was designed by the Zen master Muso Soseki, and the temple preserves many sites tied to the Takeda clan of Kai Province.

    TIPS

    The quiet grounds and garden are the main draws, and it makes a great stop between central Enzan and Yanagisawa Pass. Check opening hours in advance.

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  5. 5
    VIEW~30 min

    Lake Daibosatsu (Kamihikawa Dam)

    A reservoir at around 1,486 m elevation, accessible via Yamanashi Prefectural Route 218.

    TIPS

    Kamihikawa Dam sits at about 1,486 m, one of Japan's highest dams, offering views of the Daibosatsu peaks across the lake and Mt. Fuji downstream. The Route 411 approach is narrow with tight curves, so the Route 20 / Route 218 approach is easier to ride.

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  6. 6
    VIEW~30 min

    Yanagisawa Pass

    At 1,472 m, the highest point of Route 411 (Ome Kaido), famous for its grand view of Mt. Fuji.

    TIPS

    At 1,472 m, this is the highest point of the Ome Kaido and a celebrated photo spot with views of Mt. Fuji and the Okutama mountains on clear days. The pass features loop bridges, tunnels, and hairpins, plus a municipal parking lot, public restrooms, and a teahouse.

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  7. 7
    ONSEN~60 min

    Michi-no-Eki Tabayama (Nomekoi-yu Onsen)

    A roadside station in Tabayama Village, down Route 411 from Yanagisawa Pass toward Okutama, with the Nomekoi-yu day-trip hot spring.

    TIPS

    A day-trip onsen to soothe post-pass fatigue, popular for its silky water; also handy for a break and refreshments. Check hours and closing days in advance.

    Michi-no-Eki Tabayama (Nomekoi-yu Onsen)
    Image
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  8. 8
    VIEW~20 min

    Lake Okutama (Ogochi Dam)

    A reservoir supplying Tokyo's water, along Route 411 and a scenic point on the way back to Hachioji.

    TIPS

    The lakeside winding road makes for a pleasant return; in autumn the water and foliage form a beautiful contrast. From here, descend toward Ome and Hachioji.

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  9. 9
    GOAL

    Tashilog Garage

    Return to Miyashitacho, Hachioji.

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