We'll publish the itinerary, fare, and reservation details in the next few days, and they will be very similar to our 2026 trip. If you want to receive updates, please send a note to cquinteroh@arizona.edu

The river valleys of central and eastern Sonora, especially the Río Sonora, were the heartland of Spanish colonial Sonora from the 17th to the 19th centuries. Their communities of Opata and Eudeve peoples, and of Spaniards and their mestizo and mulato descendants, constituted a frontier society that fused Iberian and Indigenous crops, livestock, irrigation techniques, and foods that took root in the 1600s and still survives today.

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