Passenger boat Chiyoda Town (Gunma Prefecture ferry) 千代田町（群馬県営）
Akaiwa Ferry (Akaiwa – Kuzuwada, Tone River) 赤岩渡船（赤岩～葛和田）
Checked a while agoWe last checked the official sources for this route on 2026-10-11. Prices and rules may have changed since: check the official page before you rely on it.
How oftenOn demand, no timetable: 8:45–16:45 from April to SeptemberDetails below
Adult fareFreeFree (it is part of a prefectural road)
BookingNo booking needed
Route line from OpenStreetMap. Port positions from OpenStreetMap.
Boats P
| Boat | How often | Crossing |
|---|---|---|
| Passenger boat | On demand, no timetable: 8:45–16:45 from April to September, 8:45–16:30 from October to March (shorter hours at New Year). From the Gunma side, ask the boatman in the hut; from the Saitama side, raise the yellow flag until the boatman on the Gunma side sees it. | – |
Fares P
| Free (it is part of a prefectural road) | ¥0 |
|---|
One way, as published by the operator; fuel surcharges and seasonal fares may apply.
Tickets and booking P
No booking needed. No booking for individuals: call the boatman at the pier. Groups apply in advance by fax with the town's form.
Where to buy tickets: not confirmed. Ask at the port.
Ports
- Akaiwa (Chiyoda, Gunma) 赤岩（群馬県千代田町）
Bus stop 'Akaiwa Tosen' on the Tatebayashi – Chiyoda line from Tatebayashi Station (10 a day on weekdays)
Show this port to staff - Kuzuwada (Kumagaya, Saitama) 葛和田（埼玉県熊谷市）
Kokusai bus Kumagaya Station – Kuzuwada line
Show this port to staff
Good to know P
- No service when the river is high or the wind is strong; a red flag is raised on the Gunma side when the ferry is suspended.
- Mopeds and motorcycles cannot be carried.
English names are the operator's own where it publishes them, otherwise romanised for this guide. Boats are often cancelled or changed in bad weather: check the operator's page on the day. Map data © OpenStreetMap contributors (ODbL).
Sources and quotes checked 2026-10-11
- route:
赤岩渡船は、千代田町赤岩から利根川をはさんで対岸の埼玉県熊谷市葛和田をつなぐ主要地方道（県道）熊谷・館林線上を運航する動力船です。
— www.town.chiyoda.gunma.jp/kankyo/doboku/doboku002.html - frequency:
運航時間 ４月１日～９月３０日 午前８時４５分 ～ 午後４時４５分 １０月１日～３月３１日 午前８時４５分 ～ 午後４時３０分
— www.town.chiyoda.gunma.jp/kankyo/doboku/doboku002.html - frequency:
群馬県側から乗船される方 小屋にいる船頭にお声かけください。 埼玉県側から乗船される方 小屋の隣にある黄旗を、群馬県側の小屋にいる船頭が気付くまで上げてください。
— www.town.chiyoda.gunma.jp/kankyo/doboku/doboku002.html - prices:
県道なので料金は無料です。
— www.town.chiyoda.gunma.jp/kankyo/doboku/doboku002.html - booking:
団体で利用される場合 下記の必要事項をご記入の上、ファックス（0276-86-4361）にてお申し込みください。
— www.town.chiyoda.gunma.jp/kankyo/doboku/doboku002.html - notes:
運休になると群馬県側に赤旗が上がります。
— www.town.chiyoda.gunma.jp/kankyo/doboku/doboku002.html - notes:
※原付バイク・自動二輪車は乗船できません。
— www.town.chiyoda.gunma.jp/kankyo/doboku/doboku002.html
- www.town.chiyoda.gunma.jp/kankyo/doboku/doboku002.html · · checked 2026-10-11