The upper watershed is in the San Gorgonio Wilderness and San Bernardino National Forest, then it reaches land managed by the Bureau of Land Management. Below the confluences, the arroyo is at least  wide, paved with accumulations of boulders, gravel, and sand brought down by floods and brushy except in stream channels cleared by floodwaters.
The upper watershed is within the San Gorgonio Wilderness and San Bernardino National Forest, then it joins land managed by the Bureau of Land Management. Below the confluences, the arroyo is wide, covered with boulders, gravel, and sand brought down by floods and brushy except in stream channels cleared by floodwaters.