 The North Shore trail starts at Rock Ledge Park and travels west through Murrell Park and Twin Coves Park.A dirt and rock surface trail used predominantly by mountain bikers (see DORBA.org), hikers, trail runners and dog walkers.As of the 2010 United States Census, there were 64,669 people and 14,269 families residing in 21,570 housing units in Flower Mound.