Mosca, Colorado - Wikipedia, the free encyclopediaMosca is an unincorporated town and a U.S. Post Office in Alamosa County, Colorado, United States. It was named for the nearby Mosca Pass, which was named …
Mosca ColoradoWelcome to the official web page of Mosca, Colorado, a small town with a big heart in the San Luis Valley of southern Colorado! Mosca (Mahs-kah) was named for …