Plitvice Lakes National Park is open year-round, but hours vary seasonally.
- November to March: 8am to 4pm
- April to May: 7am to 7pm
- June to August: 7am to 8pm
- September to October: 7am to 7pm
- Closure: The national park is open on all days of the year. However, the Upper Lakes are closed to visitors during winter and open again only in April.