Team Logo. The High Country Grizzlies were a team in the National Arena League. They played on the campus of Appalachian State University in Boone, NC. They left the league in 2017 to join the new American Arena League. Retrieved from "https://prosportsteams.fandom.com/wiki/High_Country_Grizzlies?oldid=15308" Categories: Former NAL Teams Teams in North Carolina Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.