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illustration of flowers, grasses and kangaroo Rat with text "Katie Karitsumari, The role of Small Mammal Granivores in Ecological Speciation of Two Sunflower Ecotypes Thursday May 7th, 10 am, Great Sand Dunes Visitor Center
Join us at the Great Sand Dunes Visitor Center Auditorium on Thursday May 7th, 2026 at 10:00 am

Katie Kariatsumari

Thursday May 7th, 2026
10:00 - 11:00 am
Great Sand Dunes Visitor Center Auditorium

Special Speaker Series: Katie Kariatsumari

Join us athe visitor center to explore the roles between small mammals such as the kangaroo rat, and its effect on the speciation of sunflowers here at Great Sand Dunes

 
A Park ranger in green and grey uniform with straw ranger hat leans over a table to help a child with a magnetic sand activity
Park Ranger Jaiden weighs how much magnetite a Junior Ranger Day participant collected using a magnet in the sand dunes.

NPS Photo / Sierra Willoughby

Saturday, August 1, 2026
10:00 am to 1:00 pm
Great Sand Dunes Main Parking Area

Junior Ranger Day

Join Great Sand Dunes and the Freinds of the Dunes for fun activites in the sand, and earn prizes! Details to be determined.

 
 
 

Last updated: May 1, 2026

Contact Info

Mailing Address:

Visitor Center
11999 State Highway 150
Mosca, CO 81146

Phone:

(719) 378-6395
General Park and Preserve information: (719) 378-6395 Emergencies (Police, Fire, Medical): Dial 911. Non-emergencies (Police, Fire, Medical): call (719) 589-5807

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