The Santa Rosa Mountains are a mountain range located in Southern California, primarily within Riverside County. They are part of the larger Peninsular Ranges and stretch approximately 30 miles. The mountains are known for their diverse ecosystems, which include desert, chaparral, and forested areas, providing habitats for various wildlife species. The range is home to the Santa Rosa and San Jacinto Mountains National Monument, a protected area that offers numerous recreational opportunities such as hiking, camping, and birdwatching. The mountains also feature stunning vistas and unique geological formations, making them a popular destination for outdoor enthusiasts and nature lovers.