Santa Rosa de Corodéguachi - Alias Fronteras
The ruins of the Presidio of Santa Rosa de Corodéguachi, commonly called "Fronteras" can be visited today by crossing the international border at Douglas, Arizona / Agua Prieta, Sonora and proceeding south to the town of Fronteras. The ruins are at the point of the hill on the west side of town past the town hall.
Did You Know?
Tumacácori National Historical Park is located in the historic Pimería Alta or "Land of the Upper Pimas," an area that includes much of present-day southern Arizona and northern Sonora, Mexico.