BCA POLICY: REQUIRED BORDER CROSSING DOCUMENTS
All travelers on BCA tours to Nogales Mexico must have a valid (not expired) passport, passport card, Sentri or Global Entry card. All travelers on BCA tours to destinations beyond Nogales (e.g. Magdalena, Hermosillo, Rio Sonora, Kino Bay, Cananea, etc) must have a valid (not expired) passport.  (NOTE: passport cards, Sentri or Global entry cards are not accepted at the immigration checkpoint KM 21. Also note that regular or “enhanced” driver’s licenses [good for Canada] are not accepted at the US-Mexico Border.)