The Waimea River is located on the island of Kauai in Hawaii. It flows from the Waimea Canyon to the Pacific Ocean, covering a distance of about 15 miles. The river is known for its scenic beauty and is surrounded by lush vegetation and dramatic landscapes. The river plays a significant role in the local ecosystem and supports various wildlife. It is also a popular spot for outdoor activities such as kayaking and fishing. The Waimea River is an important water source for the surrounding communities and contributes to the area's agriculture.