Sinforosa Canyon is sometimes called the 'narrows' because it is the narrowest canyon in the Copper Canyon system. It is also one of the deepest canyons at roughly 1,830 meters. The Overlook of Sinforosa is located a 20 minute drive outside of Guachochi over dirt roads. You can hike to the bottom of the canyon from this overlook, passing by Rosalinda Waterfall, in about 4 to 5 hours.