Coquiller River Falls, is a two-tier waterfall located in the far north tip of the Rogue River – Siskiyou National Forest, just east of Port Orford, on the Oregon Coast in Coos County,[1] in the U.S. state of Oregon.

There are approximately 180 feet from the upper tier to the bottom drop of the waterfall.

The waters of the Coquille River Falls are located at a point where the South Fork Coquille River meets Sru Creek[2] and Drowned Out Creek and is the centerpiece attraction of the Coquille River Falls trailhead that spins off Forest Road 3348 from National Forest road 33.

[3] The 500 acres of canyons surrounding the Coquille River Falls are part of a Federal Research Natural Areas.

[6] The waterfall is a continuous cliff of visible rocky outcrop surrounded by a rugged canyon area with a bedrock composed of sedimentary deposits originated during the Tyee formation of the Eocene area.