What are the best Nature Walks in Ko Yao Yai?

The best Nature Walks in Ko Yao Yai according to Viator travelers are: <br/><ul><li class="my-2 my-lg-0"><a href="https://avionero.partner.viator.com/tours/Ko-Yao-Yai/Whitewater-Rafting-5-KM-Tour-with-ATV-2-hour-Real-Adventure-Tour/d50552-26842P71" target="_blank" rel="noopener">Real Adventure Tour: Whitewater Rafting and ATVs</a></li><li class="my-2 my-lg-0"><a href="https://avionero.partner.viator.com/tours/Ko-Yao-Yai/Phi-Phi-Sunrise-by-Simba-Sea-Trips/d50552-85890P5" target="_blank" rel="noopener">Luxury Small Group Phi Phi Sunrise from Phuket by Simba Sea Trips</a></li><li class="my-2 my-lg-0"><a href="https://avionero.partner.viator.com/tours/Ko-Yao-Yai/ATV-Bike-1-hr-Flying-Hanuman-28-plateform-with-meal/d50552-192374P17" target="_blank" rel="noopener nofollow">ATV Bike 1 hr + Zipline Adventure 32 platforms</a></li></ul>