A regular employee I worked with when I worked a seasonal job with the U.S. Forest Service years ago used the term buskwhacking to denote getting of a regular trail and trudging through the vegetation.
Getting off the trail in some areas occasionally is OK, at least in an relatively isolated area where scads of folks won't take exactly the same route(s).
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When I first moved into my house years ago, there was a rough path that ran from the edge of my neighbor's driveway, a few feet in front of my house almost to my driveway. It was a result of the mailman taking that same route, perhaps since the houses were first built in the early 50's. I planted thorn bushes between the yards to stop that. But, alas, this is Levittown, where people are creatures of habit, to the extreme. Shortly after I planted the thorn bushes, one day as I was coming home, I saw the mailman ploughing through the thorn bushes, struggling with the thorn branches but still robotically continuing his programmed route. He looked like freggin Rambo, but with a straight face. I called to him, "hey, what are you doing? I put those bushes up to keep people from cutting through." He didn't seem to understand. After several calls and letters to the postal authority, and as the bushes grew in and other fortifications I put up blocked the way, the carrier route was detoured, permanently! Shortly after, the lawn grew in as if nothing happened. It had looked terrible. When it rained, there was mud. During hot, dry periods, it was dusty.