Not well-known and Off the beaten track

Off the beaten track and not well-known are semantically related in not on the usual path topic. In some cases you can use "Off the beaten track" instead an adjective phrase "Not well-known".

Off the beaten track adjective - Remote from populous or much-traveled regions.

Not well-known and off the beaten track are semantically related in not on the usual path topic. You can use "Not well-known" instead an adjective phrase "Off the beaten track".