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: “大型車両・一部区間通行止め（closed to large vehicles; some sections closed）”.
| Section | 更木線分岐～風早峠 |
|---|---|
| Reason | 法面崩落のため（slope failure） |
| 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.
Map: GSI Tiles (GSI Japan) / Forest road data: © OpenStreetMap contributors (ODbL) / Municipality and elevation: GSI Japan (elevation calculated by us)
| Municipality | 埼玉県皆野町 The other end is in 秩父市. The road crosses a municipal boundary. Nearby place name: 大字金沢 |
|---|---|
| Length | 19.26 km Calculated by joining the OpenStreetMap line segments. |
| Elevation | 293m–952m Lowest and highest points (difference 659m). Sampled every 50 m. |
| Coordinates of both ends |
36.11762, 139.06166 GSI Maps / Google Maps 36.09500, 138.94695 GSI Maps / Google Maps 10.61 km apart in a straight line. This road is recorded as 7 separate line segments, so there is no way to say which end is the start |
| Surface | asphalt This is the value recorded in OpenStreetMap. It may differ from what you find on site. |
| Road classification | unclassified (OpenStreetMap classification) |
| OpenStreetMap | way/122394105 way/122479357 way/138338772 way/138338788 way/138339688 way/138339802 way/138342656 |
| Name | Type | Straight-line distance | Map |
|---|---|---|---|
| 【閉鎖】遊び宿ＫＡＫＡ長瀞 ＾Rakuten Travel | Hotel / ryokan | 1.9km | GSI Maps / Google Maps |
| 城峯公園キャンプ場 | Campsite | 2.2km | GSI Maps / Google Maps |
| 城峯公園キャンプ場Rakuten Travel | Hotel / ryokan | 2.3km | GSI Maps / Google Maps |
| 埼玉国際ゴルフ倶楽部Rakuten Travel | Hotel / ryokan | 2.4km | GSI Maps / Google Maps |
| 冬桜の宿 神泉Rakuten Travel | Hotel / ryokan | 2.6km | GSI 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.
| Name | Operator | Straight-line distance | Map |
|---|---|---|---|
| 下久保ダム | － | 2.8km | GSI Maps / Google Maps |
| 神水ダム | － | 3.4km | GSI Maps / Google Maps |
| 合角ダム | － | 3.9km | GSI 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.
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.