GPDM is open by Appointment Only for the 2025 fall season.
The Great Plains Dinosaur Museum (GPDM) in Malta is closed for the season BUT welcomes visitor groups with advance reservations through October. Please call 406.654.5300 to chat with our volunteer or leave a message to schedule your visit. You can also email us at dinosaur@itstriangle.com.
Hunters and overnight guests, we will consider early morning or evening appointments as our volunteers are available.
GPDM will be open Thanksgiving weekend!Friday and Saturday after Thanksgiving from 10-2 for you and your guests to visit the museum or shop our gift store for all things dinosaur and science.
We will close for winter November thru March with limited access due to weather and dinosaur hibernation. We will be back for reservations for April and general opening May 1, 2026.
Thank you for a great 2025 season. GPDM Staff, Board and Volunteers
Dig. Learn. All under Montana’s Big Sky.
The Great Plains Dinosaur Museum is located in the rich land mass of Northeastern Montana where some of the world’s best preserved dinosaur fossils have been discovered. A premier site on the Montana Dinosaur Trail, the museum features permanent exhibits of dinosaurs and other prehistoric fossils curated in a natural setting to advance the visitors experience, allowing them to appreciate, enjoy, and fully understand the rich prehistoric history of this region.
The Museum also provides the opportunity for both youth and adults to explore, dig, and excavate fossils with Museum staff and paleontologist partners in scheduled laboratory experiences and onsite dig programs.
Visit the Museum
Meet Leonardo the Mummy Dinosaur, Herb the Triceratops, Roberta, and many more! Learn about prehistoric dinosaurs and other creatures of Montana at the Great Plains Dinosaur Museum! Visit our gift shop for dinosaur memorabilia & unique souvenirs from Montana!
Discover and Dig
Would you love to dig for dinosaurs on the Great Plains of Montana? Or do you have a child who is fascinated with dinosaurs or other prehistoric life? We have digs and programming for all ages!




OUR LOCATION
Right on MONTANA’S HIGHWAY 2
Next to the Milk River, the Trafton Walking Trail.
We have an Outdoor Dig Pit, Picnic Area & Large Parking Lot.
Did we mention the souvenir shop?
#1 Thing to do in Malta, Montana!
See what our visitors have to say about us on Trip Advisor and check out the other must-see things in the area!
Two Museums in One Visit!
Right next door is the Phillips County Museum, featuring local tales of Cowboys & Outlaws, Native Americans, Pioneer Life & More. Even – another dinosaur!






