Join GCI on the River

Our annual trips are an amazing way to see the landscape, learn more about our history, and what the future of the region could be.

Book Your Trip

Dedicated to Restoration

We are dedicated to the restoration of Glen Canyon, and a healthy, free-flowing Colorado River through Grand Canyon.

Cathedral in the Desert

Fill Mead First

Visit Responsibly

Photo Galleries

Our Research

Since its founding in 1996, GCI has facilitated a dozen scientific studies focused on the restoration of Glen Canyon. As a science-based advocacy organization, our work has shifted the conversation around the future of Glen Canyon and the Colorado River.

GCI Studies