Diamond Valley is currently under an Algae Advisory that is likely to extend through the end of 2023. You can view more details here.
Diamond Valley Lake, located in Hemet is one of the largest man-made reservoirs in Southern California with a capacity of 800,000 acre-feet, 260 ft deep, and over 4,500 surface acres.
At the lake, you will discover some of the best fishing in the state. World-renowned for its black bass fishing, we are home to bluegill and sunfish, rainbow trout, and both blue and channel catfish. “The Diamond” attracts boaters from all over the world ready and willing to test their skills against monster-sized fish in these waters.
If you’re an outdoor enthusiast, the hiking and wildlife are abundant here at the lake. Go explore!