A great tour combination for the adventurous traveler would be the Barton Creek and Big Rock tours. After enjoying the mystical tour of the underworld in a canoe; we prepare for an hour-and-a-half drive on the Mountain Pine Ridge road to Big Rock Falls. This impressive waterfall is the most beautiful in the area, it is 100 ft high boasting a deep emerald pool filled with spring water perfect for swimming, or for the more adventurous; cliff jumping. The tremendous view of water rushing over giant granite rock and plummeting into the perfectly round pool at its base provides a rush of excitement. outcroppings. The footpath to the falls is a 20-minute hike and involves some moderately challenging climbing down to the valley below.