Lower Kirby Rapids is a stretch of rapids in Wallowa County, Oregon, in the Blue Mountains region. It lies about 28.5 miles southwest of Grangeville and roughly 133.8 miles north of Caldwell as the crow flies.
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.
There are 26 recorded rapids in Wallowa County. Coral Creek Reef, is under a mile away across the state line in Idaho. Middle Kirby Rapids, is under a mile away. China Rapids, is under a mile away across the state line in Idaho.
Lower Kirby Rapids is located at 45.5933° N, 116.4722° W. The listing is based on the USGS Geographic Names Information System, one of the sources compiled by the U.S. Geological Survey in its inventory of waterfalls and rapids of the conterminous United States. The position was verified on aerial imagery. Details on trails, parking and access have not been documented for this rapid yet.