verb
    
    treks; trekked; trekking
    
    [no obj]
    
    to walk usually for a long distance
    
    
    
    to travel by walking through an area with many mountains, rivers, etc., for pleasure and adventure
    
    
    
    to go on a long and often difficult journey
    
    
    
    noun
    
    plural treks
    
    [count] :a long and difficult journey that is made especially by walking