Higashiyoka Tidal Flat
Open by month
Open in January. No seasonal closure recorded. New Year (Dec 29 – Jan 3): closed.
Open in February. No seasonal closure recorded.
Open in March. No seasonal closure recorded.
Open in April. No seasonal closure recorded.
Open in May. No seasonal closure recorded.
Open in June. No seasonal closure recorded.
Open in July. No seasonal closure recorded.
Open in August. No seasonal closure recorded.
Open in September. No seasonal closure recorded.
Open in October — at its best. Seepweed turning red, late October to early November.
Open in November — at its best. Seepweed turning red, late October to early November.
Open in December. No seasonal closure recorded. New Year (Dec 29 – Jan 3): closed.
Checked against the official site on 2026-10-15.

A mudflat on the Ariake Sea where more sandpipers and plovers stop than anywhere else in Japan. Mudskippers live on the flat, and seepweed turns red in autumn.
Ramsar Wetland
Nearby
- Mietsu Naval Dock Site ≈ 25 min by car
- Saga Castle History Museum ≈ 25 min by car
- Saga Shrine and Matsubara Shrine ≈ 30 min by car
- Chikugo River Lift Bridge ≈ 30 min by car
- Ohana (Tachibana Residence) ≈ 35 min by car
Travel times are rough estimates by car.
- Best time
- October, November — Seepweed turning red, late October to early November
- Getting there
- About 30 min by car or taxi from JR Saga Station
Easier with a tour or car - Fee
- Free (visitor center)
- Good to know
- Visitor center Higasasu 9:00-17:00; closed Mondays (next weekday if holiday) and Dec 29-Jan 3
- Time needed
- 1 h
Checked against the official Japanese website on 2026-10-15. Report outdated info