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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 2-5, 2026 in Cortez, CO. Registration is open.

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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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Upcoming Events and Announcements

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A Fortress in Flux: Pyla-Vigla and the Dawn of the Hellenistic Era

Abstract: For over twenty years, the Pyla-Koutsopetria Archaeological Project (PKAP) has been uncovering secrets hidden along the coast of southern Cyprus. Next to an ancient, long-vanished harbor and sitting on a major crossroads between the Iron Age city state capitals of Kition and Salamis, a rocky hill called Vigla once commanded a view of everything passing by. Thousands of years ago, someone decided it was the perfect place to build a fortress. The timeline of its c

2026 Annual CAS Conference

On October 2-5, 2026, the Hisatsinom Chapter will be hosting the 2026 Annual CAS Conference in Cortez, CO. at the Lamp Post Creative Learning Center, the Crow Canyon Campus and the Montezuma Heritage Museum. Registration is OPEN! Our annual meeting promises to be the best ever, with a greatly expanded program with multiple hands-on activities and field trips. Register now to get your first choice of programs. A Special

International Archaeology Day 2026

Save the Date: Saturday, October 17, 8:30am to 1:30 pm Location – Red Rocks Park & Amphitheatre, Lower South Lot #2, 18300 W. Alameda Pkwy, Morison CO 80465 Google Maps Link Come and enjoy this popular family-friendly day of archaeology hosted by our community associates, Community Connections, LLC in partnership with Colorado Preservation Inc. We'll be posting the information for this year's event as soon as it is available.

New Upcoming PAAC Opportunity:

From Rocks to Tools: Basic Lithic Analysis Workshop Save the Date: December 5, 2026. History Colorado Center More Details to follow later in the fall. Description: Ready to move beyond "just rocks" and be able to interpret the archaeological record? This hands-on workshop is designed for participants of all levels who want to build confidence in the fundamentals of chipped stone analysis. Across five focused hours, you'll move from core concepts to practical application.