- First published
- Oct 14, 2026
Oido Prehistoric Site Park
Oido Prehistoric Site Park in Siheung preserves and interprets the area's Neolithic shell-midden heritage. Visitors can explore an open-air archaeological landscape, a shell-midden exhibition hall, viewing areas and separate guided or activity programmes. The operator lists 09:00–18:00 for the visitor centre and 10:00–17:00 for the shell-midden hall, which closes Mondays and selected holidays. Do not assume one facility's hours apply to the entire outdoor park.
- Address
- 113-27 Seohaean-ro, Siheung-si, Gyeonggi-do (priority parking and park facility address; 오이도선사유적공원)
- Nearby transit
- No specific station or current public-transport route was verified. Consult the park's access map; the separate main car park is at 81-3 Seohaean-ro, Siheung.
- Hours
- Hours vary by facility: visitor centre 09:00–18:00 (closed 1 Jan and on Lunar New Year/Chuseok day); interpretation 10:00–17:00, regular tours 10:30/13:30/15:30 (booking information available); shell-midden hall 10:00–17:00 (closed Mondays, 1 Jan and those holidays). Prehistoric huts open only during programmes. Parking is currently listed as free and available 08:00–20:00 only. Weekend picnic zone advertised for Sat–Sun, 5 Sep–1 Nov 2026, with live operations and places unverified.
On 31 October 2026, the official visitor guide and the city's 26 August picnic notice were checked. The advertised weekend picnic period is 5 September–1 November 2026, but same-day operation and individual registration availability have not been independently confirmed.
Why go
Pair the shell-midden exhibition with an outdoor heritage walk, interpretation sessions or booked activities. Seasonal weekend picnic programmes have separate dates and conditions.
Plan the visit
Use the confirmed place facts below, then continue to the broader travel guides for transport, facilities and eating practicalities.