To take the Mexico route from Yuma proceed south on Arizona SR-95 to the town of San Luis. This is a U.S. border town across from the Mexican town of San Luis Rio Colorado. In San Luis Rio Colorado you pick up Mexico Route 2 (MR-2) and follow that to Sonoita. In Sonoita you pick up MR-8 to Rocky Point (Puerto Penasco).
The author has never been over Mexico Route 2. The route was suggested by a visitor from the San Diego area. Being adventurous souls they took the MR2 route on their trip to Rocky Point and were kind enough to share with us their experience. If you would like to read what they had to say, click here for their own words.
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