The Southern Sierra Miwuk Nation, also known as the American Indian Council of Mariposa County, is the tribe of Yosemite and Mariposa County, California. Each summer the Nation hosts its annual Yosemite Big Time celebration in its tribal village in Yosemite Valley.

Big Time is a dance and spiritual gathering that brings together California traditional dancers from all over the state. The 51st Annual Yosemite Big Time listed here was held August 9-10, 2025.

Events on this page are shared from the Nevada's Indian Territory calendar (nevadasindianterritory.com).