Tubac Presidio State Historic Park presents a special tour by Phil Halpenny and Gwen Griffin of the Spanish colonial archaeological site just south of the Park which preserves the remains of the original Tubac town site, including residence foundations, plaza area, refuse area and partial irrigation ditch. The tour involves a walk of about 1-1/4 miles. The Archaeological Conservancy protects this site and participants are asked to sign 'An Acknowledgement of Risk Factors' before entering. Wear walking shoes, sunscreen and hat. Meet at the Park's Visitor Center.