Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Zip n Swing Free.
Zip n Swing v1.01 (Latest version)
Dont forget to check out Valrik Islands to quickly add large Islands for your game levels https://www.assetstore.unity3d.com/en/#!/content/65953 Zip n Swing allows users to quickly and easily add Ziplining and Swinging to any Unity game. Not just the animation ( though i suggest you use your own, in the end ), but you have control of the complete motion from start to finish. Control the speed and even the y offset to give a swing action.
Use it to add fixed Zip Lines or rope swinging. Or even rope lifts like in Assassins Creed which was the main inspiration of this package
It uses mecanim and can easily be added to your own character without changing your aimator controller.
You can use your own animations and control every part of the action.
You’ll be able to quickly and easily achieve amazing zipline and swing efforts using very simple techniques. View A quick Demo Of The Tool In Action