The act or practice of driving around in the country aimlessly, smoking bowl after bowl of pot with your buddies.
"Dude, I brought my piece with me, feel like some gravel travel?"
by Bo Nanners November 23, 2007
When 2 or more people ride on gravel or backroads on offroad vehicles (four-wheelers, side-by-sides, dirtbikes, etc.).
"Hey go get your fourwheeler and we will go do aome gravel travel!"
by UrbanDictionaryDefinitionAdder February 29, 2016