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홍주천년기념탑 · 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 | Closed |
|---|---|
| Tue | 9:00–19:00 |
| Wed | 9:00–19:00 |
| Thu | 9:00–19:00 |
| Fri | 9:00–19:00 |
| Sat | 9:00–19:00 |
| Sun | Closed |
| Holiday | Not listed — call ahead |
충청남도 홍성군 홍성읍 충서로1322번길 8
| Mon | 7:00–22:00 |
|---|---|
| Tue | 7:00–22:00 |
| Wed | 7:00–22:00 |
| Thu | 7:00–22:00 |
| Fri | 7:00–22:00 |
| Sat | 7:00–22:00 |
| Sun | 10:00–21:00 |
| Holiday | 9:00–22:00 |
충청남도 홍성군 홍성읍 문화로 99
| Mon | 8:00–22:00 |
|---|---|
| Tue | 8:00–22:00 |
| Wed | 8:00–22:00 |
| Thu | 8:00–22:00 |
| Fri | 8:00–22:00 |
| Sat | 8:00–22:00 |
| Sun | 8:00–22:00 |
| Holiday | 8:00–22:00 |
충청남도 홍성군 홍성읍 내포로 20
| Mon | 8:30–20:30 |
|---|---|
| Tue | 8:30–20:30 |
| Wed | 8:30–20:30 |
| Thu | 8:30–20:30 |
| Fri | 8:30–20:30 |
| Sat | 8:30–12:00 |
| Sun | 8:30–17:00 |
| Holiday | 9:00–17:00 |
충청남도 홍성군 홍성읍 충절로 1051 (홍성읍)
Source: Korea Tourism Organization open API (modified listing as published). Hours can change without notice — please check the official website or call before visiting.