Meanings of long backpacking in English

I'm not talking about the month long backpacking trip my 16-year-old took with his older brother and a friend.

So here she was, on the way to Central America for a month- long backpacking trip in Costa Rica and Panama.

As a Scoutmaster he was known for organizing & leading week- long backpacking trips that covered 50 miles on the wilderness trails.

The three friends from high school had planned to use Ireland as a starting point for their year- long backpacking trip across Europe.

Lucia Khabzi, from Sydney, joined a Tinder-style dating app during a year- long backpacking trip, taking full advantage of the generosity of lonely males.