First established in 1958, Devils Tower Natural History Association (DTNHA) is a not-for-profit corporation incorporated under the laws of the State of Wyoming. DTNHA’s mission is to promote understanding and conservation of the natural, cultural, and historical resources of the monument through education, public information, and service.
The visitor center, where the Devils Tower Natural History Association (DTNHA) bookstore is located, is open year round.
DTNHA Bookstore Visitor Center hours of operation:
October thru April – 9:00am to 4:00pm, 7 days a week
Early May until Memorial Day weekend – 9:00 a.m. to 5:00 p.m, 7 days a week
Memorial Day weekend thru Labor Day – 8:00 a.m. to 7:00 p.m, 7 days a week
After Labor Day thru September – 9:00am to 5:00pm, 7 days a week
- Phone:
- (307) 467-5283 Ext. 631
- Email:
- DTNHA@yahoo.com