Castle Rock Falls is a waterfall in Santa Cruz County, California, in the Coast Range region, with a total height of about 50 feet. It lies about 5.2 miles southwest of Saratoga and roughly 7.8 miles southwest of Cupertino as the crow flies.
At 50 feet it is on the modest side for California, where the typical waterfall with a recorded height stands around 70 feet; it ranks 160th of 286.
The Coast Range is a belt of steep, deeply dissected hills along the Pacific, wrapped in dense temperate rainforest of Douglas fir, western hemlock, Sitka spruce and red alder. Heavy winter rain feeds short, fast creeks lined with ferns, salmonberry and moss that drop steeply toward the ocean or the Columbia.
There are 8 recorded waterfalls in Santa Cruz County. Tiptoe Falls, is about 6.5 miles away. Sempervirens Falls, 20 feet high, is about 6.5 miles away. Berry Creek Falls, 60 feet high, is about 9.6 miles away.
Castle Rock Falls is located at 37.2263° N, 122.1057° 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 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.