All services Arizona…. Of particular interest to people voyaging to Penasco through Arizona are the ‘Travel and recreation’ and ‘Weather’ sections.
Sometimes Google is a little easier to pull out Penasco related documents.
Nice breakdown on Penasco as well as nice regional map of Sonora (printable PDF, too). They have a Penasco hotel list broken down by accomodation you might also be interested in.
Check out ‘Facts about the U.S.-Mexico Border’, or simply a search on ‘Arizona Mexico border’