Tehuacalco Ruins Archaeological Site Tour from Acapulco. Travel back in time on an educational half-day tour of the Tehuacalco archaeological site from Acapulco. Journey through the dramatic scenery of the Sierra Madre mountain range and embark on a guided tour of the Tehuacalco archaeological site with a knowledgeable guide. Marvel at ancient ruins that date back to 400 AD as you gain fascinating insight into the Yope empire. Attempt to decipher ancient hieroglyphs; gaze at the summit of a 60-foot (18-meter) pyramid; and enjoy the convenience of round-trip transportation from your Acapulco hotel. Book this Tour and Save 10%! Tehuacalco Ruins Archaeological Site Tour from Acapulco.