Rainbow Falls

Devils Postpile National Monument is a National Monument located near Mammoth Mountain in eastern California. The monument protects Devils Postpile, an unusual rock formation of columnar basalt. It encompasses 798 acres (323 ha) and includes two main tourist attractions: the Devils Postpile formation and Rainbow Falls, a waterfall on the Middle Fork of the San Joaquin River.

Rainbow Falls is the highest waterfall on the Middle Fork of the San Joaquin River, in the eastern Sierra Nevada mountains of California, in the United States. Plunging 101 feet (31 m) to the turbulent water below, the falls are named for the rainbows that appear in their mist on sunny summer days. Rainbow Falls is located within the boundaries of Devils Postpile National Monument.

Boundary Creek is a stream in Madera County, California, in the United States.Boundary Creek was likely named from its location in Madera County near the Mono County line.