Boulder Rapids is a stretch of rapids in Mohave County, Arizona, in the Mojave Basin and Range region. It lies about 20.3 miles northeast of Boulder City and roughly 25.9 miles east of Henderson as the crow flies.
The Mojave Basin and Range is hot desert of creosote bush flats, dry lake beds and rocky mountain ranges. Waterfalls are rare and mostly seasonal or spring-fed, hidden in canyons.
Mohave County holds 33 recorded rapids, and several are close by. Ringbolt Rapids, is about 16.9 miles away. Cross Current Rapids, is about 17.9 miles away across the state line in Nevada. Big Sand Bar Rapids, is about 18 miles away.
Boulder Rapids is located at 36.1509° N, 114.5390° 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 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 rapid yet.