[1][2][3] Large outcrops of the tuff are located in Inyo and Mono Counties, California, United States.

[4] The Bishop Tuff caps a volcanic plateau in the northern Owens Valley in eastern California.

[5] The Owens River cuts through the Volcanic Tableland, an ignimbrite plateau which is a principal sector of the Bishop Tuff outflow sheet.

The lower section, formed from ash fall, is notated by pyroxene-free high-silica rhyolite pumice.

The upper section, formed by pyroclastic flow, is notated by pyroxene-bearing high-silica rhyolite pumice.