The visitor center is OPEN year round except for Thanksgiving Day, Christmas Day and New Year's Day and extreme weather conditions.
Spring Hours (April 4 to May 24)
-8:00 a.m. to 4:30 p.m.
- Memorial Day to Labor Day, 8:00 a.m. to 6:00 p.m.
Fall Hours (September 3 to October 18)
-8:00 a.m. to 5:00 p.m.
Winter Hours (October 19 to April 3)
- Weekdays, 8:30 a.m. to 4:30 p.m.
- Saturday and Sunday 9:30 a.m. to 4:30 p.m. (January 3 to April 3)
- Open daily, 362 days / year, sunrise to sunset (weather permitting). Access is offered (only) via 14 miles of hiking trails.
Three miles north of Marquette, Iowa on Hwy 76 along the western shore of the upper Mississippi River.
Special ranger talks and Indian mound talks are presented periodically throughout the year.
Museum features artifacts, documents and maps from the monument's archeological collections.
Auditorium with orientation film showing throughout the day, educational bookstore, restrooms.