Historic one-of-a-kind antique real photo stereoviews of the river at Happy Isles in Yosemite, California. Each side has a different stereoview image of the Yosemite National Park attraction. Taken by a private photographer. Date unknown. Happy Isles is a group of small isles in the Merced River in Yosemite National Park, California, USA. They are located at the easternmost end of the Yosemite Valley floor. This scenic spot is the starting point for the well-known Mist Trail, which is also the start of the John Muir Trail. Condition: Stereoviews are in excellent condition. Note: This is part of a collection of images by an unknown photographer who traveled along the west coast from Washington to California and other northwest states with his stereoview camera. His cards were all homemade and had typed and handwritten captions. Many of the images are expertly composed and are stunning in their beauty and historical significance. Some of the cards including this one are double-sided.