Route 399 is a scenic highway located in the state of California. It runs through the beautiful landscapes of the Sierra Nevada mountains, connecting various small towns and natural attractions. The route is known for its stunning views, making it a popular choice for both locals and tourists seeking outdoor adventures. Travelers on Route 399 can enjoy access to several recreational areas, including hiking trails and camping spots. The highway also provides a convenient link to nearby attractions, such as Yosemite National Park and Sequoia National Park, enhancing its appeal for nature enthusiasts and road trippers alike.