What are the park hours for Mesa Verde national park?
Entry into the park itself is available 24 hours a day, 365 days
a year. However, the archeological sites can only be visited by
paid tour, and these tours are only given at certain times of the
day.
The Visitor Center is open from (about) 8am to 5p every day of
the year except Jan 1, Dec 25, and Thanksgiving Day.