Going into Mexico:
Mexico is quite serious about their NO FIREARMS policy.
Hint: the judicial system in Mexico is based on the Napoleonic code,
not English common law, so treatment of law breakers is very different
than in the US. Firearm storage is available in Why, AZ, the last town before the border.
, proceed slowly. There is now an exit check by the US Border Patrol.
On the Mexico side, watch for the uniformed customs agents and for the traffic light.
If you get "PASSE" in green, drive on. If you get "ALTO" in red, or if the agents motion
for you to stop, pull over to the left and stop. The rule is you can take in $50 of
goods per person but GENERALLY food, supplies, & groceries are of little interest to the
Mexican border officails. Watch the speed limits as you proceed through Sonoyta.
Neither your US Passport nor a visa is required unless you travel
outside the free zone that includes the Puerto Penasco area, but it
doesn't hurt to have either with you.
The highway to Puerto Penasco is in good condition, but you should be
alert for several narrow bridges and a number of zones where the speed
Returning to the US:
Your passport is essential to return to the US, expect SERIOUS delays if you
fail to produce your passport.
The US Customs & Immigration Services stop every vehicle to ask
questions about the citizenship and contents of the car. Each
person over 21 may bring one (1) liter of alcohol. If you have
any questions about what you can bring back, just ask the
Customs officers on your way down or try their website at
In addition to the stop at the border, you will probably also be
stopped by the Border Patrol at some point between Lukeville & Ajo.
If after dark, turn off your headlights as you approach the stop but
leave your parking lights on.