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Arch in the Park


National Archaeology Day this year is on Saturday, October 19th and the San Diego County Archaeological Society (SDCAS) will be celebrating that and California’s Archaeology Month at Arch in the Park. As always, our goal is to educate the public about what archaeology is, and to provide information on various aspects of archaeology, including career and volunteer opportunities.

**For more information about National Archaeology Day visit


WHEN:  Saturday, October 19th, 10am - 3pm. 

Be there to meet Running Grunion, a Kumeyaay Indian, and learn about his people @11:00 AM


WHERE:  At the Los Peñasquitos Ranch House

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Take Black Mountain Road to the Canyonside Park Driveway, just north of Mercy Road in Rancho Penasquitos. Drive west past the ball fields and parking lots, following the signs to the Ranch House. Access is on the dirt road, through the white wooden gate (open during visiting hours). Parking is located next to the large barn. The adobe structure is south of the barn.

This is a FREE event for the whole family

The San Diego County Archaeological Society presents an educational day of Archaeology and Fun at the Ranch House in Los Peñasquitos Canyon Preserve

  • Find out what archaeology is all about; dig in a mock excavation; play games

  • Discover the history of the Ranch House on a tour of the adobe, see archaeology exhibits and excavation.
  • Make your own stone tools, baskets, pottery, beads, and more!


Bring a picnic lunch to enjoy in the shade.

Fry bread, snacks, and sodas will be available for purchase.



Please volunteer to help with our annual event. If you are a company, university, agency or organization in the field of archaeology, we invite you to participate in Arch in the Park by hosting a table or display. Click Here to register.

Call 858-538-0935 or e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. for more information or to volunteer with set-up and tear-down.  Also, if you have a display or if you - or your company - would like to sponsor the event by making a generous tax-deductible donation please contact us.


Thanks to our generous sponsors!


CLICK HERE to view last year's poster!