Upper Triangulation Falls is a waterfall on Triangulation Creek in Tillamook County, Oregon, in the Coast Range region. It lies about 13.4 miles northeast of Bay City and roughly 33.1 miles west of Hillsboro as the crow flies.
Its height has not been recorded in the source data.
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. Triangulation Creek carries 3 recorded waterfalls along its course.
Tillamook County holds 57 recorded waterfalls, and several are close by. Middle Triangulation Falls, is under a mile away. Triangulation Falls, is under a mile away. Waterfall 13 mi NE of Bay City, 225 feet high, is under a mile away.
Upper Triangulation Falls is located at 45.6303° N, 123.6579° 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.