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A closure has been announced

埼玉県 森林管理道(林道)の通行制限情報(秩父農林振興センター管内) as of 2026-07-24, states the following about this forest road: “一部区間通行止め(some sections closed)”.

Section金山志賀坂線分岐~天丸トンネル
Reason落石多発及び路肩崩落のため(frequent rockfall and shoulder collapse)
Until当面の間(until further notice)

Source: 埼玉県 森林管理道(林道)の通行制限情報(秩父農林振興センター管内) (as of 2026-07-24) / We have not verified this ourselves. We quote the published wording as it stands.

Where this forest road is

林道上野大滝線
Nearby forest roads (select one to open its page)
Both ends

Map: GSI Tiles (GSI Japan) / Forest road data: © OpenStreetMap contributors (ODbL) / Municipality and elevation: GSI Japan (elevation calculated by us)

Data

Municipality埼玉県秩父市
The other end is in 上野村. The road crosses a municipal boundary.
Nearby place name: 中津川
Length7.84 km
Calculated by joining the OpenStreetMap line segments.
Elevation817m–1,386m
Lowest and highest points (difference 569m). Sampled every 50 m.
Coordinates of both ends 36.03543, 138.78450 GSI Maps / Google Maps
36.01073, 138.80202 GSI Maps / Google Maps
3.17 km apart in a straight line. This road is recorded as 20 separate line segments, so there is no way to say which end is the start
Surfaceasphalt/gravel/concrete
This is the value recorded in OpenStreetMap. It may differ from what you find on site.
Road classificationtrack/unclassified (OpenStreetMap classification)
OpenStreetMapway/138337791 way/138338534 way/138339189 way/138339813 way/138340005 way/138340033 way/138340162 way/138340881 and 12 more

Places to stay & onsen near this road

See accommodations & baths in 秩父市

Accommodation within 3 km

NameTypeStraight-line distanceMap
中津川村キャンプ場Campsite1.3kmGSI Maps / Google Maps
こまどり荘Rakuten TravelHotel / ryokan1.8kmGSI Maps / Google Maps

“Rakuten Travel” buttons are affiliate advertising: bookings made through them earn this site a commission. Which places appear, and in what order, is decided by distance alone. A missing button only means we could not find the place on Rakuten Travel — it does not mean it is closed.

Only places found in OpenStreetMap or on Rakuten Travel appear here. There are very likely more nearby — this table is not a complete list. Names and locations are collected mechanically from those two sources (huts and campsites from OpenStreetMap, bookable inns from Rakuten Travel). The distance is a straight line from the road, not a route you can ride (500 m across a valley may be unreachable). We do not know whether a place is open, takes guests, or lets you bathe — neither availability nor rates were checked. Emergency huts and university lodges are excluded. "onsen" appears only where bath:type=onsen is mapped; its absence does not mean the water is not hot-spring water.

Whether you can ride it is not stated here

Traffic restriction — quoted exactly as 埼玉県 森林管理道(林道)の通行制限情報(秩父農林振興センター管内) publishes it. It was published on 2026-07-24. The state of a forest road changes with every storm and every landslide. Before you set out, always check the source and the signs on site.

What is on this page — a location, a name, and quotations of what others have published or written. None of it has been verified by us on the ground. Conditions may have changed since anything here was quoted.

Forest roads were not built for recreational driving