Lake Tahoe Tourist Guide, USA. Tour North Lake Tahoe, South Lake Tahoe. Whether you swim, fish, sail, or simply rest on its shores, you'll be wowed by the overwhelming beauty of Lake Tahoe, the largest alpine lake in North America. Famous for its cobalt-blue water and surrounding snowcapped peaks, Lake Tahoe straddles the state line between California and Nevada. The border gives this popular Sierra Nevada resort region a split personality. About...