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A closure has been announced

埼玉県 寄居林業事務所 森林管理道(林道)及び県営林作業道についての注意喚起 as of 2026-08-19, states the following about this forest road: “全線通行止め(closed for its whole length)”.

Reason路体崩落
Until当分の間(for the time being)

Source: 埼玉県 寄居林業事務所 森林管理道(林道)及び県営林作業道についての注意喚起 (as of 2026-08-19) / We have not verified this ourselves. We quote the published wording as it stands.

Where this forest road is

林道矢納楢尾線
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埼玉県神川町
The other end is in 秩父市. The road crosses a municipal boundary.
Nearby place name: 大字矢納
Length8.32 km
Calculated by joining the OpenStreetMap line segments.
Elevation473m–678m
Lowest and highest points (difference 205m). Sampled every 50 m.
Coordinates of both ends 36.12358, 139.02116 GSI Maps / Google Maps
36.10693, 138.98027 GSI Maps / Google Maps
4.11 km apart in a straight line. This road is recorded as 4 separate line segments, so there is no way to say which end is the start
SurfaceNot recorded. Whether it is dirt or surfaced is unknown.
Road classificationunclassified/track (OpenStreetMap classification)
OpenStreetMapway/122479246 way/122479292 way/975221437 way/1297903736

Accommodation within 3 km

NameTypeStraight-line distanceMap
城峯公園キャンプ場Rakuten TravelHotel / ryokan254mGSI Maps / Google Maps
城峯公園キャンプ場Campsite413mGSI Maps / Google Maps
冬桜の宿 神泉Rakuten TravelHotel / ryokan684mGSI 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.

Dams within 5 km

NameOperatorStraight-line distanceMap
下久保ダム926mGSI Maps / Google Maps
神水ダム4.1kmGSI Maps / Google Maps

These dams are mapped in OpenStreetMap. The distance is a straight line from the road, not a route you can ride. We do not know whether you can get close — many dams sit behind maintenance roads that are closed to the public. Check dams (sabo dams) and weirs are excluded: they are flood-control structures and some are dangerous to approach. OpenStreetMap does not record whether a dam is a check dam, so to avoid listing one by mistake we keep only dams with a known operator, an encyclopaedia entry, or an official website. Some real dams are missed as a result.

Whether you can ride it is not stated here

Traffic restriction — quoted exactly as 埼玉県 寄居林業事務所 森林管理道(林道)及び県営林作業道についての注意喚起 publishes it. It was published on 2026-08-19. 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