Abseiling/rappelling 70 meters down through the dark passage of the cave ceiling was just thrilling to be a highlight of the trip, and just physically demanding enough to make you sense that you'd achieved something truly cool without really knowing what you are doing. Caving & Rappelling with IO. - So much to explore in this little town Bandipur. Abseiling/rappelling 70 meters down through the dark passage of the cave ceiling was just thrilling to be a highlight of the trip, and just physically demanding enough to make you sense that you'd achieved something truly cool without really knowing what you are doing.