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Denver Chapter of the Colorado Archaeological Society

Celebrating 80+ Years of Colorado History and Community

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

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

Archaeology Meet-Up

Join Community Connections' February Archaeology Meet-Up Mark your calendars! Community Connections LLC is hosting their February archaeology meet-up Thursday, February 19th , and Denver CAS members are invited to join. When: Thursday, February 19th, starting at 4:30 PM (drop by whenever works for you) Where: Fourth Story, Community Commons Building, University of Denver: 2055 East Evans Avenue, Denver, CO This casual gathering is a great opportunity to connect with fellow

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Community Activities and Announcements (Ongoing)

This page is updated bi-weekly. Check back frequently for updates! (Latest Update - December 20, 2025) Note this will be the last update until January 2026. Upcoming Archaeology Tours, Events, Classes & Lectures: SAND CREEK NATIONAL HISTORIC SITE - ONSITE TALK (NEAR EADS, CO/IN PERSON/FREE): (New) Every Friday, Saturday and Sunday, December 26, 2025 - December 31, 2026 (10:00am-11:00am MT and 2:00pm-3:00pm MT) – Attend a talk presented by a Park Ranger about the significanc

2025 Free Tours Of Lamb Spring Archaeological Preserve

2025 tours of this important prehistoric archaeological site in Littleton, Colorado are now open for registration! Tours begin at 9:00am...