Rainbow Lakes is a census-designated place (CDP)[5] located in Parsippany–Troy Hills Township, Morris County, New Jersey, United States.

[2] Rainbow Lakes[6] is in eastern Morris County and is bordered to the east by Parsippany proper, to the north by the borough of Mountain Lakes, and to the west by Denville Township.

The northern edge of the CDP is formed by U.S. Route 46 and the NJ Transit Montclair-Boonton Line, and Interstate 80 forms the southern edge.

[7] Rainbow Lakes was first listed as a CDP prior to the 2020 census.

This Morris County, New Jersey state location article is a stub.