Temescal Valley is a census-designated place located in Riverside County, California, United States. It is situated in the foothills of the Santa Ana Mountains and is part of the Inland Empire metropolitan area. The population was estimated at 33,717 in 2019.

Temescal Valley is known for its rural atmosphere and scenic views of the surrounding mountains. The area is home to several parks and trails, including Lake Mathews/Estelle Mountain Reserve, which offers hiking, biking, and horseback riding trails. The nearby Cleveland National Forest provides additional outdoor recreation opportunities such as camping and fishing.

The community has a variety of shopping centers and restaurants that cater to all tastes. There are also several golf courses in the area for those looking to hit the links.

Temescal Valley is served by two school districts: Corona-Norco Unified School District and Lake Elsinore Unified School District. There are also several private schools in the area that offer a variety of educational options for families with children.

The climate in Temescal Valley is mild year-round with temperatures rarely dropping below freezing or rising above 100 degrees Fahrenheit (38 degrees Celsius). Summers are usually hot and dry while winters tend to be mild with occasional rain showers.

Overall, Temescal Valley offers a peaceful atmosphere with plenty of outdoor activities to enjoy while still being close enough to larger cities like Los Angeles and San Diego for day trips or weekend getaways.