Rainbow is an unincorporated community in Placer County, California.

[1] Rainbow is located 1.5 miles (2.4 km) east of Cisco Grove.

[2] It lies at an elevation of 5781 feet (1762 m).

The lodge soon became a service stop on the highway and a recreational destination, with a small rope-pulled ski lift.

This Placer County, California-related article is a stub.