South Yuba Recreation AreaThe South Yuba Wild & Scenic River Recreation Area and National Trail is located approximately 10… https://www.rawpixel.com/image/9653631/photo-image-plant-space-skyFree Image from public domain licenseCastle Peak, 10,000 feet above the sea; from the Yuba River in Summit Valley - Central Pacific Railroad. by Lawrence and… https://www.rawpixel.com/image/14294487/photo-image-plant-tree-seaFree Image from public domain license