|Location||Dunsmuir, California, U.S.|
|Elevation||2,529 feet (771 m)|
|Total height||52 feet (16 m)|
|Number of drops||1|
|Average width||175 feet (53 m)|
|20.0 cfs (1 cms)|
Mossbrae Falls is a waterfall flowing into the Sacramento River, in the Shasta Cascade area in Dunsmuir, California. The falls are located just south of the lower portion of Shasta Springs. Access to the falls is via a mile-long hiking trail on the Union Pacific Railroad right of way; the City of Dunsmuir is seeking to finish a safe hiking trail that will include a bridge over the river.
Mossbrae Falls is one of the most scenic waterfalls in California. Approximately 50 feet (15 m) in height and 175 feet (53 m) wide, the falls are fed by springs that course down the canyon wall, and into the Sacramento River, creating the effect of many waterfall streams, two of them especially large, falling into the river. The entire course of the falls is longer than 52 feet (16 m); however the upper cascades cannot be observed through flora that covers the mountainside. The bottom 50 feet (15 m) is a straight plunge into the river.
The trail to the falls from Dunsmuir requires trespassing beside the Union Pacific railroad tracks for 1.2 miles (1.9 km), before the waterfall appears on the right immediately before a railroad trestle that crosses the river. The railroad line runs in a cut and in places there is little space to avoid a train; two hikers were injured by trains in the second half of the 2010s. The city of Dunsmuir closed the illegal parking area in the Shasta Retreat neighborhood in 2011, and has since built most of an extension to the Hedge Creek Falls trail that when finished will cross the river on a pedestrian bridge 1,800 feet (550 m) from the falls, but requires Union Pacific's permission to complete it.
- "Mossbrae Falls". Geographic Names Information System. United States Geological Survey. Retrieved 2014-12-07.
- "Mossbrae Falls". World Waterfall Database. Retrieved 2014-12-07.
- Tom Stienstra (March 15, 2020). "Getting to Mossbrae Falls puts hikers at risk". San Francisco Chronicle. p. C15.
- Ryan Sabalow (August 11, 2011). "Visitors told to avoid Mossbrae Falls; Dunsmuir works on trail to attraction". The Redding Record Searchlight. Archived from the original on December 28, 2011.