Lower Middle Fork Tumalo Falls is a 15-foot waterfall on Middle Fork Tumalo Creek in Deschutes County, Oregon, in the Cascades region. It lies about 13 miles west of Deschutes River Woods and roughly 14.6 miles west of Bend as the crow flies.
At 15 feet it is on the modest side for Oregon, where the typical waterfall with a recorded height stands around 54 feet; it ranks 373rd of 425. By form it is a block waterfall, wider than it is tall, spilling over a broad ledge.
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. Middle Fork Tumalo Creek carries 2 recorded waterfalls; the biggest of them reaches 53 feet.
Deschutes County holds 62 recorded waterfalls, and several are close by. Middle Fork Tumalo Falls, a 53-foot tiered plunge waterfall, is under a mile away. North Fork Tumalo Falls, an 84-foot tiered horsetail waterfall, is under a mile away. Upper North Fork Tumalo Falls, a 38-foot plunge waterfall, is under a mile away.
Lower Middle Fork Tumalo Falls is located at 44.0458° N, 121.6084° 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.