Parachute Escape from Forest

Assume that you are at the top of the forest for a research work, at the time there was heavy rain in the forest ,due to the rain the forest path's are damaged and filled with rain water and so there is no way for you to go back down. But there is a parachute in the forest nearby your research place, but it his locked in a steal cage. Now you need to get the key by finding the necessary objects and solving the puzzles to open cage and escape from forest using the parachute.