- WEB RESOURCES Map of Sierra Vista City of Sierra Vista Code of Ordinances Fort Huachuca Cochise County Convention and Visitors Bureau Cochise College Sierra Vista Herald Weather >> more links Sierra Vista Public Library Welcome to Sierra Vista, Arizona! Located 70 mil es southeast of Tucson, this thriving community of nearly 40, 000 is the regional center of southeastern Arizona and the home of ...www.ci.sierra-vista.az.us