Mill Creek thunders out of the 11,000-foot-plus reaches of the San Bernardino Mountains. It is one of the major tributaries of the Santa Ana River.
The Santa Ana River runs 110 miles from the San Bernardino Mountains to the coast. This photo was taken in Riverside near the Van Buren Bridge.
One of our volunteers sampling water in Coldwater Creek as part of our baseline monitoring project in the Cleveland National Forest. To see the results of our monitoring, click here.
Spectacular lenticular clouds often form in the mountains in our Inland Empire watersheds in fall and winter. These clouds are reflected in Lake Gregory in Crestline.
Lush native plants line the Santa Ana River in Riverside, even in summer of a dry year.
Many colorful native flowers bring color to the banks of the Santa Ana River, such as this Hooker's Evening Primrose, blooming in late summer.
The Inland Empire boasts some of the most beautiful sunsets found anywhere.
The Santa Ana River supports a wide range of wildlife in extensive riparian habitats.
White Pelicans are frequent visitors to Big Bear Lake, in the upper reaches of the Santa Ana River watershed.
A Western Bluebird looks out over the Inland Empire from its perch at Baylis Park, nearly 6,000 feet up in the San Bernardino Mountains.