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Denver Chapter of the Colorado Archaeological Society

Celebrating 80+ Years of Colorado History and Community

CAS Annual Conference 2026
The state-wide CAS annual meeting will be held on October 3rd and 4th in Cortez, CO. Check back soon for details and registration information!

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We bring together hobbyist and professional archaeologists to educate and preserve Colorado's rich history.

Swallow Site Report

We are pleased to announce the Swallow Site Oversight Committee has completed and released the final report on the Swallow Site located on Ken-Caryl Ranch, Jefferson County, Colorado. The Denver Chapter of the Colorado Archaeological Society led the decade-long investigation at the Swallow Site with the help of many CAS member volunteers.

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Educational Meetings

Join leading experts in Colorado archaeology live in person or virtually. Monthly meetings are open to all, and past lectures are always available on Youtube.

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Of Archaeological Interest

Expand your knowledge with access to archaeological databases and news sources across the country.

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Past Projects and Activities

From prehistoric sites to recent Colorado history, our chapter has been involved in hundreds of projects over nearly 88 years and counting.

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Join us today to enjoy newsletters and invitations to special events.

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Upcoming Events and Announcements

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Disappearing Agricultural Spaces: Japanese Americans in Northern Colorado

Monday, July 13, 2026 - 5:30 pm MT (Hybrid) 5:30 pm: CAS Business and Information Meeting 6:00 pm: Speaker Speaker: Marie Matsuda, Project Archaeologist, ERO Resources Corporation Our meetings are free and open to the public. Members will receive the Zoom link by email. If you are not a member and would like to attend this talk, please contact us to receive the Zoom link. Location: Englewood Public Library, Perrin Room, 1000 Englewood Parkway, Englewood, CO 801

Upcoming Volunteer Opportunities

We have two October 2025 archaeology events which are in need of volunteers to help them run smoothly and successfully. We welcome any assistance, no matter how small! CAS Annual Conference and Meeting, Auraria Campus, Denver, October 3-5, 2025: The organizers are seeking volunteers to help out on Saturday, October 4th with a number of activities such as packing swag bags, checking in conference attendees, assisting with the annual Alice Hamilton Scholarship Fund auction,

Archaeology Meet-Up

Thursday, December 18, 2025 - 4:30pm MT (In Person) Professional archaeologists, students and members of the public who have an interest in archaeology are invited to come out to Community Connections, LLC’s monthly Archaeology Meet-Up. December’s event will take place on Thursday, December 18th at Brewery Rickoli located at 4335 Wadsworth Boulevard, Wheat Ridge, CO 80033 Google Maps Link. It begins at 4:30pm MT but come when you can. Brewery Rickoli has been a long-tim

ANNOUNCEMENT: Swallow Site Report Publication

ANNOUNCEMENT OF THE PUBLICATION OF THE FINAL REPORT ON THE SWALLOW SITE (5JF321) Download the Report Here Click on the report’s title to access, read and/or save the pdf file. The report is available to download as a “Read Only” pdf document from the Online Resource for Colorado Archaeology and Historic Preservation (ORCA) website via this link to ORCA’s Distributed Reports web page – https://archaeologycolorado.org/content/distributed-publications . We are pleased to announc