The phrase "refreshing dip" refers to taking a quick swim or dip in water, which feels invigorating and helps you feel refreshed and revitalized. Full definition
With typically warm summers, the water in the bay stays a perfect 25 °C (77 °F); ideal for water sports and a quick refreshing dip after relaxing in the sun. (healthandfitnesstravel.com)
You can also go to the natural waterfall pool to have refreshing dip after the canopy tour. (retreatvacations.net)