Big Falls is a waterfall on Deschutes River in Deschutes County, Oregon, in the Blue Mountains region, with a total height of about 30 feet. It lies about 5.8 miles west of Terrebonne and roughly 21.7 miles north of Bend as the crow flies.
At 30 feet it is on the modest side for Oregon, where the typical waterfall with a recorded height stands around 54 feet; it ranks 305th of 425.
The Blue Mountains of northeastern Oregon and adjacent states are a group of dissected uplands and volcanic plateaus with ponderosa pine, Douglas fir and grand fir forest and dry grassland on lower slopes. Deep canyons and steep tributaries carry snowmelt streams with waterfalls. Deschutes River carries 8 recorded waterfalls; the biggest of them reaches 60 feet.
There are 62 recorded waterfalls in Deschutes County. Steelhead Falls, is about 3 miles away. Alder Springs Falls, is about 5.5 miles away. Cline Falls, a 20-foot segmented cascade waterfall, is about 6.7 miles away.
Big Falls is located at 44.3714° N, 121.2924° 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.