2019 Shoshone-Bannock Festival Powwow Rate This Event Join us for the 56th Annual Shoshone-Bannock Festival Powwow on August 8-11, 2019 on the Fort Hall Indian Reservation in Fort Hall, Idaho. The festival is always held the second weekend in August. The Shoshone-Bannock Festival Powwow is a top-rated powwow complete with traditional Native American [read more]