Grouse Mountain Falls is a waterfall on Annie Creek in Lane County, Oregon, in the Cascades region. It lies about 14.6 miles southwest of Oakridge and roughly 38.8 miles southeast of Springfield as the crow flies.
Its height has not been recorded in the source data.
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. Annie Creek carries 6 recorded waterfalls along its course.
Lane County holds 163 recorded waterfalls, and several are close by. Smith Falls, a 25-foot block waterfall, is about 3.6 miles away. Evergreen Falls, a 20-foot tiered plunge waterfall, is about 4.5 miles away. Blue Hole Falls, a 15-foot slide punchbowl waterfall, is about 4.6 miles away.
Grouse Mountain Falls is located at 43.5672° N, 122.6152° 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.