An unfrequented path; an indirect route; a byway(noun)
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Use "bypath" in a sentence
"Your winding bypath, could I but follow it to the end, must bring me to the highway of your thought, every step tell-tale of the journey's destination."
"The world persists in not taking the next step, and what to the social scout looked a dusty bypath may prove to be the highway of progress for the hoboing millions."
"In a roadside planting I cut a walking-stick of hazel, and presently struck off the highway up a bypath which followed the glen of a brawling stream."