Rock Creek Falls is a waterfall on Rock Creek in Cowlitz County, Washington, in the Cascades region, with a total height of about 108 feet. It lies about 5.8 miles north of Amboy and roughly 26.4 miles north of Vancouver as the crow flies.
At 108 feet it is taller than the typical Washington waterfall of about 82 feet, ranking 379th of 941 with a recorded height. The water comes down as a plunge, where the water drops vertically and loses contact with the rock face.
The Cascades are a high volcanic range of snow-capped peaks, deep glacial valleys and dense conifer forest of Douglas fir, western hemlock and true firs, with abundant rain and snow on the western slopes. Basalt cliffs and lava flows give the region one of the highest concentrations of waterfalls in the country. Rock Creek carries 17 recorded waterfalls; the biggest of them reaches 1,180 feet.
There are 26 recorded waterfalls in Cowlitz County. Unnamed waterfall on Rock Creek, is about 1.4 miles away. Cape Horn Creek Falls, 60 feet high, is about 3.7 miles away. Unnamed waterfall on South Fork Speelyai Creek, is about 3.9 miles away.
Rock Creek Falls is located at 45.9937° N, 122.4611° W. The listing is based on the World Waterfall Database, one of the sources compiled by the U.S. Geological Survey in its inventory of waterfalls and rapids of the conterminous United States. The creek name is confirmed against the federal Geographic Names Information System. The exact position has not yet been verified on aerial imagery, so treat the map pin as approximate. Details on trails, parking and access have not been documented for this waterfall yet.