El Rosario is a city and its surrounding municipality in the Mexican state of Sinaloa. It stands at 22°45′00″N 105°22′16″W. The city reported 16,001 inhabitants in the 2010 census.
Wikipedia https://en.wikipedia.org/wiki/El_Rosario,_Sinaloa
Coordinates 22°59'31.389" N -105°51'26.191" E