noun-modifying (irregular)
remote; isolated; far from human habitation
Describes a place that is far from towns or villages, often with a sense of quiet loneliness. Used prenominally.
人里離れた山奥に小さな温泉がある。
There is a small hot spring deep in the mountains, far from any village.
彼は人里離れた場所で静かに暮らしている。
He lives quietly in a remote place.
辺鄙 is a noun/adjective meaning 'remote' or 'out-of-the-way', often with a negative nuance of inconvenience. 人里離れた focuses more on the absence of people and a lonely atmosphere.
Compound of 人里 (ひとざと, 'human settlement') + 離れた (はなれた, past/prenominal form of 離れる, 'to be separated'). Literally 'separated from human habitation'.