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아산시 온천 관광특구 · Chungcheongnam-do
Open all year round, according to the official listing.

Photos: Korea Tourism Organization (KOGL Type3), shown unaltered.
| Mon | 8:30–19:00 |
|---|---|
| Tue | 8:30–19:00 |
| Wed | 8:30–19:00 |
| Thu | 8:30–19:00 |
| Fri | 8:30–19:00 |
| Sat | 8:30–16:00 |
| Sun | Closed |
| Holiday | Not listed — call ahead |
충청남도 아산시 도고면 아산만로 176 (도고면)
| Mon | 9:00–17:30 |
|---|---|
| Tue | 9:00–17:30 |
| Wed | 9:00–17:30 |
| Thu | 9:00–17:30 |
| Fri | 9:00–17:30 |
| Sat | 9:00–16:00 |
| Sun | 10:00–16:00 |
| Holiday | 11:00–17:00 |
충청남도 아산시 도고면 온천대로 473-1
Source: Korea Tourism Organization open API (modified listing as published). Hours can change without notice — please check the official website or call before visiting.