Rainbow Falls

Rainbow Falls is the name of several waterfalls:

New Zealand: Canada: United States:
 * Rainbow Falls (Waianiwaniwa), at Kerikeri
 * Āniwaniwa Falls (Rainbow Falls) near Lake Waikaremoana
 * Rainbow Falls, British Columbia
 * Rainbow Falls, Adirondack State Park, New York
 * Rainbow Falls (California), Devils Postpile National Monument, California
 * Rainbow Falls (Chattooga River), Cashiers, North Carolina
 * Rainbow Falls (Chelan County), Stehekin, Washington
 * Rainbow Falls (Hawaii), Hilo, Hawaii
 * Rainbow Falls (Horsepasture River), Transylvania County, North Carolina
 * Rainbow Falls (Manitou Springs, Colorado)
 * Rainbow Falls (Michigan), Black River, Michigan
 * Rainbow Falls (Missouri River), Great Falls, Montana
 * Rainbow Falls (Montana), Glacier National Park
 * Rainbow Falls (Rutherford County), Rutherford County, North Carolina
 * Rainbow Falls State Park, Lewis County, Washington

Computing Systems:
 * SPARC T3, a microprocessor also known as "Rainbow Falls"

Other:
 * Rainbow Falls Trail
 * Rainbow Falls, an episode of the fourth season of My Little Pony: Friendship Is Magic