You’ve probably experienced the serenity of a walk along the Rose City Bluff lower trail. Somewhat like a canyon trail, the slope rises to your side. Vegetation is close and the city is obscured. A term for similar trails in Europe and elsewhere is sunken lane or hollow way. (Wikipedia) The bluff trail is just a half-hollow way, and wasn’t created by foot and wagon traffic. However, the overall effect, being down low with a green embankment to your side, is much the same. “Sunken lanes have a large touristic potential because of their many values and functions: i.e. scenic beauty (reflected among others in paintings), recreational (hiking, biking), scientific (biodiversity, geomorphology), educational and geoheritage.” (Sunken Lanes, Earth Science Review.)
Claude Monet, The Sunken Road in the Cliff at Varengeville
Rose City Bluff Restoration 