Alpine Butterfly Knot
How to tie the Alpine Butterfly knot. The Alpine Butterfly Knot, also known as just the Butterfly Knot due to the form it takes while tying, forms secure loop(s) in the middle of a rope. It will accommodate a load in any direction. Mountain climbers use the Alpine Butterfly for tying-in the middle climber when traveling three to a rope. Also useful for making non-slip loops in the middle of a rope to attach carabiners to provide purchase points for a winch line – essential in canoe rescue work. It can take a load in any of the three directions, independently or together. The knot can also be used to isolate a damaged section of a rope.
Scroll to see Animated Alpine Butterfly Knot below the illustration and tying instructions.
Alpine Butterfly Knot Tying Instructions
- Make a loop in the rope and twist it one full rotation into an eight shape.
- Fold the top of the eight down around the bottom of the eight.
- Now up and out through the lower opening of the eight and pull tight.