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JFK 대천 워터파크 · Chungcheongnam-do
The official closing-day note can't be read as a fixed rule, so we mark it “check before visiting”.

Photos: Korea Tourism Organization (KOGL Type3), shown unaltered.
| Mon | 8:50–18:30 |
|---|---|
| Tue | 8:50–18:30 |
| Wed | 8:50–12:00 |
| Thu | 8:50–18:30 |
| Fri | 8:50–18:30 |
| Sat | 8:50–17:00 |
| Sun | Closed |
| Holiday | Not listed — call ahead |
충청남도 보령시 머드로 75 (신흑동)
| Mon | 9:00–20:00 |
|---|---|
| Tue | 9:00–20:00 |
| Wed | Closed |
| Thu | 9:00–20:00 |
| Fri | 9:00–21:00 |
| Sat | 9:00–22:00 |
| Sun | 9:00–20:00 |
| Holiday | 9:00–21:00 |
충청남도 보령시 머드로 118(신흑동)
Source: Korea Tourism Organization open API (modified listing as published). Hours can change without notice — please check the official website or call before visiting.