Welcome to the charming town of Keystone Lake, Oklahoma, founded in 1964 and home to approximately 11,791 residents. This scenic destination is known for its rich history, including its ties to the famous Cherokee Nation and the legendary Route 66. Explore the quaint streets lined with shops and restaurants or take a boat out on the pristine waters of Keystone Lake. As a sister city to Tahlequah, Keystone Lake offers a small-town feel with big-time charm.